1557140661505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1\times {\mathrm{10163}}^1$

素因数の和:11122

約数の個数: 64

約数和(自身を含む): 2204996048640

約数和(自身を除く): 647855387135

約数列:

[1, 5, 11, 13, 55, 65, 143, 421, 509, 715, 2105, 2545, 4631, 5473, 5599, 6617, 10163, 23155, 27365, 27995, 33085, 50815, 60203, 72787, 111793, 132119, 214289, 301015, 363935, 558965, 660595, 1071445, 1453309, 2357179, 2785757, 4278623, 5172967, 7266545, 11785895, 13928785, 21393115, 25864835, 30643327, 47064853, 55622099, 56902637, 67248571, 153216635, 235324265, 278110495, 284513185, 336242855, 611843089, 739734281, 2177819107, 3059215445, 3698671405, 10889095535, 23956010177, 28311648391, 119780050885, 141558241955, 311428132301, 1557140661505]

約数ペア:

[(1, 1557140661505), (5, 311428132301), (11, 141558241955), (13, 119780050885), (55, 28311648391), (65, 23956010177), (143, 10889095535), (421, 3698671405), (509, 3059215445), (715, 2177819107), (2105, 739734281), (2545, 611843089), (4631, 336242855), (5473, 284513185), (5599, 278110495), (6617, 235324265), (10163, 153216635), (23155, 67248571), (27365, 56902637), (27995, 55622099), (33085, 47064853), (50815, 30643327), (60203, 25864835), (72787, 21393115), (111793, 13928785), (132119, 11785895), (214289, 7266545), (301015, 5172967), (363935, 4278623), (558965, 2785757), (660595, 2357179), (1071445, 1453309)]