1989837512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{361001}}^1$

素因数の和:361073

約数の個数: 32

約数和(自身を含む): 4093762680

約数和(自身を除く): 2103925168

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 361001, 722002, 1444004, 2888008, 4693013, 9386026, 18772052, 19133053, 37544104, 38266106, 76532212, 153064424, 248729689, 497459378, 994918756, 1989837512]

約数ペア:

[(1, 1989837512), (2, 994918756), (4, 497459378), (8, 248729689), (13, 153064424), (26, 76532212), (52, 38266106), (53, 37544104), (104, 19133053), (106, 18772052), (212, 9386026), (424, 4693013), (689, 2888008), (1378, 1444004), (2756, 722002), (5512, 361001)]