221791608

素因数分解:

$2^3\times 3^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 655374720

約数和(自身を除く): 433583112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 61, 62, 72, 81, 93, 108, 122, 124, 162, 181, 183, 186, 216, 244, 248, 279, 324, 362, 366, 372, 488, 543, 549, 558, 648, 724, 732, 744, 837, 1086, 1098, 1116, 1448, 1464, 1629, 1647, 1674, 1891, 2172, 2196, 2232, 2511, 3258, 3294, 3348, 3782, 4344, 4392, 4887, 4941, 5022, 5611, 5673, 6516, 6588, 6696, 7564, 9774, 9882, 10044, 11041, 11222, 11346, 13032, 13176, 14661, 15128, 16833, 17019, 19548, 19764, 20088, 22082, 22444, 22692, 29322, 33123, 33666, 34038, 39096, 39528, 44164, 44888, 45384, 50499, 51057, 58644, 66246, 67332, 68076, 88328, 99369, 100998, 102114, 117288, 132492, 134664, 136152, 151497, 153171, 198738, 201996, 204228, 264984, 298107, 302994, 306342, 342271, 397476, 403992, 408456, 454491, 596214, 605988, 612684, 684542, 794952, 894321, 908982, 1026813, 1192428, 1211976, 1225368, 1369084, 1788642, 1817964, 2053626, 2384856, 2738168, 3080439, 3577284, 3635928, 4107252, 6160878, 7154568, 8214504, 9241317, 12321756, 18482634, 24643512, 27723951, 36965268, 55447902, 73930536, 110895804, 221791608]

約数ペア:

[(1, 221791608), (2, 110895804), (3, 73930536), (4, 55447902), (6, 36965268), (8, 27723951), (9, 24643512), (12, 18482634), (18, 12321756), (24, 9241317), (27, 8214504), (31, 7154568), (36, 6160878), (54, 4107252), (61, 3635928), (62, 3577284), (72, 3080439), (81, 2738168), (93, 2384856), (108, 2053626), (122, 1817964), (124, 1788642), (162, 1369084), (181, 1225368), (183, 1211976), (186, 1192428), (216, 1026813), (244, 908982), (248, 894321), (279, 794952), (324, 684542), (362, 612684), (366, 605988), (372, 596214), (488, 454491), (543, 408456), (549, 403992), (558, 397476), (648, 342271), (724, 306342), (732, 302994), (744, 298107), (837, 264984), (1086, 204228), (1098, 201996), (1116, 198738), (1448, 153171), (1464, 151497), (1629, 136152), (1647, 134664), (1674, 132492), (1891, 117288), (2172, 102114), (2196, 100998), (2232, 99369), (2511, 88328), (3258, 68076), (3294, 67332), (3348, 66246), (3782, 58644), (4344, 51057), (4392, 50499), (4887, 45384), (4941, 44888), (5022, 44164), (5611, 39528), (5673, 39096), (6516, 34038), (6588, 33666), (6696, 33123), (7564, 29322), (9774, 22692), (9882, 22444), (10044, 22082), (11041, 20088), (11222, 19764), (11346, 19548), (13032, 17019), (13176, 16833), (14661, 15128)]