644850672

素因数分解:

$2^4\times 3^1\times {\mathrm{13434389}}^1$

素因数の和:13434400

約数の個数: 20

約数和(自身を含む): 1665864360

約数和(自身を除く): 1021013688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13434389, 26868778, 40303167, 53737556, 80606334, 107475112, 161212668, 214950224, 322425336, 644850672]

約数ペア:

[(1, 644850672), (2, 322425336), (3, 214950224), (4, 161212668), (6, 107475112), (8, 80606334), (12, 53737556), (16, 40303167), (24, 26868778), (48, 13434389)]