646793936

素因数分解:

$2^4\times {\mathrm{373}}^1\times {\mathrm{108377}}^1$

素因数の和:108758

約数の個数: 20

約数和(自身を含む): 1256534532

約数和(自身を除く): 609740596

約数列:

[1, 2, 4, 8, 16, 373, 746, 1492, 2984, 5968, 108377, 216754, 433508, 867016, 1734032, 40424621, 80849242, 161698484, 323396968, 646793936]

約数ペア:

[(1, 646793936), (2, 323396968), (4, 161698484), (8, 80849242), (16, 40424621), (373, 1734032), (746, 867016), (1492, 433508), (2984, 216754), (5968, 108377)]