399793212008

素因数分解:

$2^3\times {\mathrm{18679}}^1\times {\mathrm{2675419}}^1$

素因数の和:2694104

約数の個数: 16

約数和(自身を含む): 749652684000

約数和(自身を除く): 349859471992

約数列:

[1, 2, 4, 8, 18679, 37358, 74716, 149432, 2675419, 5350838, 10701676, 21403352, 49974151501, 99948303002, 199896606004, 399793212008]

約数ペア:

[(1, 399793212008), (2, 199896606004), (4, 99948303002), (8, 49974151501), (18679, 21403352), (37358, 10701676), (74716, 5350838), (149432, 2675419)]