245481709886

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{10243}}^1$

素因数の和:10550

約数の個数: 96

約数和(自身を含む): 460493205120

約数和(自身を除く): 215011495234

約数列:

[1, 2, 7, 14, 19, 38, 49, 61, 98, 122, 133, 211, 266, 422, 427, 854, 931, 1159, 1477, 1862, 2318, 2954, 2989, 4009, 5978, 8018, 8113, 10243, 10339, 12871, 16226, 20486, 20678, 25742, 28063, 56126, 56791, 71701, 90097, 113582, 143402, 180194, 194617, 196441, 244549, 389234, 392882, 489098, 501907, 624823, 630679, 1003814, 1249646, 1261358, 1362319, 1711843, 2161273, 2724638, 3423686, 4322546, 4373761, 8747522, 9536233, 11871637, 11982901, 15128911, 19072466, 23743274, 23965802, 30257822, 30616327, 41064187, 61232654, 82128374, 83101459, 105902377, 131837653, 166202918, 211804754, 263675306, 287449309, 574898618, 581710213, 922863571, 1163420426, 1845727142, 2012145163, 2504915407, 4024290326, 5009830814, 6460044997, 12920089994, 17534407849, 35068815698, 122740854943, 245481709886]

約数ペア:

[(1, 245481709886), (2, 122740854943), (7, 35068815698), (14, 17534407849), (19, 12920089994), (38, 6460044997), (49, 5009830814), (61, 4024290326), (98, 2504915407), (122, 2012145163), (133, 1845727142), (211, 1163420426), (266, 922863571), (422, 581710213), (427, 574898618), (854, 287449309), (931, 263675306), (1159, 211804754), (1477, 166202918), (1862, 131837653), (2318, 105902377), (2954, 83101459), (2989, 82128374), (4009, 61232654), (5978, 41064187), (8018, 30616327), (8113, 30257822), (10243, 23965802), (10339, 23743274), (12871, 19072466), (16226, 15128911), (20486, 11982901), (20678, 11871637), (25742, 9536233), (28063, 8747522), (56126, 4373761), (56791, 4322546), (71701, 3423686), (90097, 2724638), (113582, 2161273), (143402, 1711843), (180194, 1362319), (194617, 1261358), (196441, 1249646), (244549, 1003814), (389234, 630679), (392882, 624823), (489098, 501907)]