64921567184

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{633307}}^1$

素因数の和:633507

約数の個数: 40

約数和(自身を含む): 129574816800

約数和(自身を除く): 64653249616

約数列:

[1, 2, 4, 8, 16, 43, 86, 149, 172, 298, 344, 596, 688, 1192, 2384, 6407, 12814, 25628, 51256, 102512, 633307, 1266614, 2533228, 5066456, 10132912, 27232201, 54464402, 94362743, 108928804, 188725486, 217857608, 377450972, 435715216, 754901944, 1509803888, 4057597949, 8115195898, 16230391796, 32460783592, 64921567184]

約数ペア:

[(1, 64921567184), (2, 32460783592), (4, 16230391796), (8, 8115195898), (16, 4057597949), (43, 1509803888), (86, 754901944), (149, 435715216), (172, 377450972), (298, 217857608), (344, 188725486), (596, 108928804), (688, 94362743), (1192, 54464402), (2384, 27232201), (6407, 10132912), (12814, 5066456), (25628, 2533228), (51256, 1266614), (102512, 633307)]