221579568

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1072

約数の個数: 180

約数和(自身を含む): 745363008

約数和(自身を除く): 523783440

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 49, 56, 62, 63, 72, 84, 93, 98, 112, 124, 126, 144, 147, 168, 186, 196, 217, 248, 252, 279, 294, 336, 372, 392, 434, 441, 496, 504, 558, 588, 651, 744, 784, 868, 882, 1008, 1013, 1116, 1176, 1302, 1488, 1519, 1736, 1764, 1953, 2026, 2232, 2352, 2604, 3038, 3039, 3472, 3528, 3906, 4052, 4464, 4557, 5208, 6076, 6078, 7056, 7091, 7812, 8104, 9114, 9117, 10416, 12152, 12156, 13671, 14182, 15624, 16208, 18228, 18234, 21273, 24304, 24312, 27342, 28364, 31248, 31403, 36456, 36468, 42546, 48624, 49637, 54684, 56728, 62806, 63819, 72912, 72936, 85092, 94209, 99274, 109368, 113456, 125612, 127638, 145872, 148911, 170184, 188418, 198548, 218736, 219821, 251224, 255276, 282627, 297822, 340368, 376836, 397096, 439642, 446733, 502448, 510552, 565254, 595644, 659463, 753672, 794192, 879284, 893466, 1021104, 1130508, 1191288, 1318926, 1507344, 1538747, 1758568, 1786932, 1978389, 2261016, 2382576, 2637852, 3077494, 3517136, 3573864, 3956778, 4522032, 4616241, 5275704, 6154988, 7147728, 7913556, 9232482, 10551408, 12309976, 13848723, 15827112, 18464964, 24619952, 27697446, 31654224, 36929928, 55394892, 73859856, 110789784, 221579568]

約数ペア:

[(1, 221579568), (2, 110789784), (3, 73859856), (4, 55394892), (6, 36929928), (7, 31654224), (8, 27697446), (9, 24619952), (12, 18464964), (14, 15827112), (16, 13848723), (18, 12309976), (21, 10551408), (24, 9232482), (28, 7913556), (31, 7147728), (36, 6154988), (42, 5275704), (48, 4616241), (49, 4522032), (56, 3956778), (62, 3573864), (63, 3517136), (72, 3077494), (84, 2637852), (93, 2382576), (98, 2261016), (112, 1978389), (124, 1786932), (126, 1758568), (144, 1538747), (147, 1507344), (168, 1318926), (186, 1191288), (196, 1130508), (217, 1021104), (248, 893466), (252, 879284), (279, 794192), (294, 753672), (336, 659463), (372, 595644), (392, 565254), (434, 510552), (441, 502448), (496, 446733), (504, 439642), (558, 397096), (588, 376836), (651, 340368), (744, 297822), (784, 282627), (868, 255276), (882, 251224), (1008, 219821), (1013, 218736), (1116, 198548), (1176, 188418), (1302, 170184), (1488, 148911), (1519, 145872), (1736, 127638), (1764, 125612), (1953, 113456), (2026, 109368), (2232, 99274), (2352, 94209), (2604, 85092), (3038, 72936), (3039, 72912), (3472, 63819), (3528, 62806), (3906, 56728), (4052, 54684), (4464, 49637), (4557, 48624), (5208, 42546), (6076, 36468), (6078, 36456), (7056, 31403), (7091, 31248), (7812, 28364), (8104, 27342), (9114, 24312), (9117, 24304), (10416, 21273), (12152, 18234), (12156, 18228), (13671, 16208), (14182, 15624)]