18648101255

素因数分解:

$5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{367}}^1\times {\mathrm{1321}}^1$

素因数の和:1864

約数の個数: 48

約数和(自身を含む): 26288297856

約数和(自身を除く): 7640196601

約数列:

[1, 5, 7, 35, 49, 157, 245, 367, 785, 1099, 1321, 1835, 2569, 5495, 6605, 7693, 9247, 12845, 17983, 38465, 46235, 57619, 64729, 89915, 207397, 288095, 323645, 403333, 484807, 1036985, 1451779, 2016665, 2424035, 2823331, 3393649, 7258895, 10162453, 14116655, 16968245, 23755543, 50812265, 76114699, 118777715, 380573495, 532802893, 2664014465, 3729620251, 18648101255]

約数ペア:

[(1, 18648101255), (5, 3729620251), (7, 2664014465), (35, 532802893), (49, 380573495), (157, 118777715), (245, 76114699), (367, 50812265), (785, 23755543), (1099, 16968245), (1321, 14116655), (1835, 10162453), (2569, 7258895), (5495, 3393649), (6605, 2823331), (7693, 2424035), (9247, 2016665), (12845, 1451779), (17983, 1036985), (38465, 484807), (46235, 403333), (57619, 323645), (64729, 288095), (89915, 207397)]