256218996848

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{12049}}^1\times {\mathrm{12421}}^1$

素因数の和:24585

約数の個数: 40

約数和(自身を含む): 501145714800

約数和(自身を除く): 244926717952

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 12049, 12421, 24098, 24842, 48196, 49684, 96392, 99368, 192784, 198736, 1289243, 1329047, 2578486, 2658094, 5156972, 5316188, 10313944, 10632376, 20627888, 21264752, 149660629, 299321258, 598642516, 1197285032, 2394570064, 16013687303, 32027374606, 64054749212, 128109498424, 256218996848]

約数ペア:

[(1, 256218996848), (2, 128109498424), (4, 64054749212), (8, 32027374606), (16, 16013687303), (107, 2394570064), (214, 1197285032), (428, 598642516), (856, 299321258), (1712, 149660629), (12049, 21264752), (12421, 20627888), (24098, 10632376), (24842, 10313944), (48196, 5316188), (49684, 5156972), (96392, 2658094), (99368, 2578486), (192784, 1329047), (198736, 1289243)]