251967254

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 514805760

約数和(自身を除く): 262838506

約数列:

[1, 2, 7, 11, 14, 22, 23, 29, 46, 58, 77, 121, 154, 161, 203, 223, 242, 253, 319, 322, 406, 446, 506, 638, 667, 847, 1334, 1561, 1694, 1771, 2233, 2453, 2783, 3122, 3509, 3542, 4466, 4669, 4906, 5129, 5566, 6467, 7018, 7337, 9338, 10258, 12934, 14674, 17171, 19481, 24563, 26983, 34342, 35903, 38962, 45269, 49126, 51359, 53966, 56419, 71137, 71806, 80707, 90538, 102718, 112838, 142274, 148741, 161414, 188881, 297482, 377762, 394933, 497959, 564949, 620609, 782507, 789866, 995918, 1041187, 1129898, 1241218, 1565014, 1636151, 2082374, 3272302, 4344263, 5477549, 8688526, 10955098, 11453057, 17997661, 22906114, 35995322, 125983627, 251967254]

約数ペア:

[(1, 251967254), (2, 125983627), (7, 35995322), (11, 22906114), (14, 17997661), (22, 11453057), (23, 10955098), (29, 8688526), (46, 5477549), (58, 4344263), (77, 3272302), (121, 2082374), (154, 1636151), (161, 1565014), (203, 1241218), (223, 1129898), (242, 1041187), (253, 995918), (319, 789866), (322, 782507), (406, 620609), (446, 564949), (506, 497959), (638, 394933), (667, 377762), (847, 297482), (1334, 188881), (1561, 161414), (1694, 148741), (1771, 142274), (2233, 112838), (2453, 102718), (2783, 90538), (3122, 80707), (3509, 71806), (3542, 71137), (4466, 56419), (4669, 53966), (4906, 51359), (5129, 49126), (5566, 45269), (6467, 38962), (7018, 35903), (7337, 34342), (9338, 26983), (10258, 24563), (12934, 19481), (14674, 17171)]