129167824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{260419}}^1$

素因数の和:260458

約数の個数: 20

約数和(自身を含む): 258336640

約数和(自身を除く): 129168816

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 260419, 520838, 1041676, 2083352, 4166704, 8072989, 16145978, 32291956, 64583912, 129167824]

約数ペア:

[(1, 129167824), (2, 64583912), (4, 32291956), (8, 16145978), (16, 8072989), (31, 4166704), (62, 2083352), (124, 1041676), (248, 520838), (496, 260419)]