204967165975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{2789}}^1$

素因数の和:3221

約数の個数: 96

約数和(自身を含む): 304497385920

約数和(自身を除く): 99530219945

約数列:

[1, 5, 11, 13, 25, 55, 61, 65, 143, 275, 305, 325, 337, 671, 715, 793, 1525, 1685, 2789, 3355, 3575, 3707, 3965, 4381, 8425, 8723, 13945, 16775, 18535, 19825, 20557, 21905, 30679, 36257, 43615, 48191, 69725, 92675, 102785, 109525, 153395, 170129, 181285, 218075, 226127, 240955, 267241, 398827, 513925, 766975, 850645, 906425, 939893, 1130635, 1204775, 1336205, 1871419, 1994135, 2211677, 2939651, 4253225, 4699465, 5653175, 6681025, 9357095, 9970675, 10338823, 11058385, 12218609, 14698255, 23497325, 24328447, 46785475, 51694115, 55291925, 57333473, 61093045, 73491275, 121642235, 134404699, 258470575, 286667365, 305465225, 608211175, 630668203, 672023495, 745335149, 1433336825, 3153341015, 3360117475, 3726675745, 8198686639, 15766705075, 18633378725, 40993433195, 204967165975]

約数ペア:

[(1, 204967165975), (5, 40993433195), (11, 18633378725), (13, 15766705075), (25, 8198686639), (55, 3726675745), (61, 3360117475), (65, 3153341015), (143, 1433336825), (275, 745335149), (305, 672023495), (325, 630668203), (337, 608211175), (671, 305465225), (715, 286667365), (793, 258470575), (1525, 134404699), (1685, 121642235), (2789, 73491275), (3355, 61093045), (3575, 57333473), (3707, 55291925), (3965, 51694115), (4381, 46785475), (8425, 24328447), (8723, 23497325), (13945, 14698255), (16775, 12218609), (18535, 11058385), (19825, 10338823), (20557, 9970675), (21905, 9357095), (30679, 6681025), (36257, 5653175), (43615, 4699465), (48191, 4253225), (69725, 2939651), (92675, 2211677), (102785, 1994135), (109525, 1871419), (153395, 1336205), (170129, 1204775), (181285, 1130635), (218075, 939893), (226127, 906425), (240955, 850645), (267241, 766975), (398827, 513925)]