1640668862

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{1061}}^1$

素因数の和:1617

約数の個数: 48

約数和(自身を含む): 2963744640

約数和(自身を除く): 1323075778

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 509, 1018, 1061, 1519, 2122, 3038, 3563, 7126, 7427, 14854, 15779, 24941, 31558, 32891, 49882, 51989, 65782, 103978, 110453, 220906, 230237, 460474, 540049, 773171, 1080098, 1546342, 1611659, 3223318, 3780343, 7560686, 16741519, 26462401, 33483038, 52924802, 117190633, 234381266, 820334431, 1640668862]

約数ペア:

[(1, 1640668862), (2, 820334431), (7, 234381266), (14, 117190633), (31, 52924802), (49, 33483038), (62, 26462401), (98, 16741519), (217, 7560686), (434, 3780343), (509, 3223318), (1018, 1611659), (1061, 1546342), (1519, 1080098), (2122, 773171), (3038, 540049), (3563, 460474), (7126, 230237), (7427, 220906), (14854, 110453), (15779, 103978), (24941, 65782), (31558, 51989), (32891, 49882)]