217970424

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1993}}^1$

素因数の和:2050

約数の個数: 144

約数和(自身を含む): 709225920

約数和(自身を除く): 491255496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 49, 56, 62, 63, 72, 84, 93, 98, 124, 126, 147, 168, 186, 196, 217, 248, 252, 279, 294, 372, 392, 434, 441, 504, 558, 588, 651, 744, 868, 882, 1116, 1176, 1302, 1519, 1736, 1764, 1953, 1993, 2232, 2604, 3038, 3528, 3906, 3986, 4557, 5208, 5979, 6076, 7812, 7972, 9114, 11958, 12152, 13671, 13951, 15624, 15944, 17937, 18228, 23916, 27342, 27902, 35874, 36456, 41853, 47832, 54684, 55804, 61783, 71748, 83706, 97657, 109368, 111608, 123566, 125559, 143496, 167412, 185349, 195314, 247132, 251118, 292971, 334824, 370698, 390628, 432481, 494264, 502236, 556047, 585942, 741396, 781256, 864962, 878913, 1004472, 1112094, 1171884, 1297443, 1482792, 1729924, 1757826, 2224188, 2343768, 2594886, 3027367, 3459848, 3515652, 3892329, 4448376, 5189772, 6054734, 7031304, 7784658, 9082101, 10379544, 12109468, 15569316, 18164202, 24218936, 27246303, 31138632, 36328404, 54492606, 72656808, 108985212, 217970424]

約数ペア:

[(1, 217970424), (2, 108985212), (3, 72656808), (4, 54492606), (6, 36328404), (7, 31138632), (8, 27246303), (9, 24218936), (12, 18164202), (14, 15569316), (18, 12109468), (21, 10379544), (24, 9082101), (28, 7784658), (31, 7031304), (36, 6054734), (42, 5189772), (49, 4448376), (56, 3892329), (62, 3515652), (63, 3459848), (72, 3027367), (84, 2594886), (93, 2343768), (98, 2224188), (124, 1757826), (126, 1729924), (147, 1482792), (168, 1297443), (186, 1171884), (196, 1112094), (217, 1004472), (248, 878913), (252, 864962), (279, 781256), (294, 741396), (372, 585942), (392, 556047), (434, 502236), (441, 494264), (504, 432481), (558, 390628), (588, 370698), (651, 334824), (744, 292971), (868, 251118), (882, 247132), (1116, 195314), (1176, 185349), (1302, 167412), (1519, 143496), (1736, 125559), (1764, 123566), (1953, 111608), (1993, 109368), (2232, 97657), (2604, 83706), (3038, 71748), (3528, 61783), (3906, 55804), (3986, 54684), (4557, 47832), (5208, 41853), (5979, 36456), (6076, 35874), (7812, 27902), (7972, 27342), (9114, 23916), (11958, 18228), (12152, 17937), (13671, 15944), (13951, 15624)]