647490864

素因数分解:

$2^4\times 3^1\times {\mathrm{13489393}}^1$

素因数の和:13489404

約数の個数: 20

約数和(自身を含む): 1672684856

約数和(自身を除く): 1025193992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 13489393, 26978786, 40468179, 53957572, 80936358, 107915144, 161872716, 215830288, 323745432, 647490864]

約数ペア:

[(1, 647490864), (2, 323745432), (3, 215830288), (4, 161872716), (6, 107915144), (8, 80936358), (12, 53957572), (16, 40468179), (24, 26978786), (48, 13489393)]