664802998

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 1044771840

約数和(自身を除く): 379968842

約数列:

[1, 2, 31, 62, 157, 163, 314, 326, 419, 838, 4867, 5053, 9734, 10106, 12989, 25591, 25978, 51182, 65783, 68297, 131566, 136594, 793321, 1586642, 2039273, 2117207, 4078546, 4234414, 10722629, 21445258, 332401499, 664802998]

約数ペア:

[(1, 664802998), (2, 332401499), (31, 21445258), (62, 10722629), (157, 4234414), (163, 4078546), (314, 2117207), (326, 2039273), (419, 1586642), (838, 793321), (4867, 136594), (5053, 131566), (9734, 68297), (10106, 65783), (12989, 51182), (25591, 25978)]