312781072

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{630607}}^1$

素因数の和:630646

約数の個数: 20

約数和(自身を含む): 625563136

約数和(自身を除く): 312782064

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 630607, 1261214, 2522428, 5044856, 10089712, 19548817, 39097634, 78195268, 156390536, 312781072]

約数ペア:

[(1, 312781072), (2, 156390536), (4, 78195268), (8, 39097634), (16, 19548817), (31, 10089712), (62, 5044856), (124, 2522428), (248, 1261214), (496, 630607)]