644916

素因数分解:

$2^2\times 3^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 1517824

約数和(自身を除く): 872908

約数列:

[1, 2, 3, 4, 6, 12, 223, 241, 446, 482, 669, 723, 892, 964, 1338, 1446, 2676, 2892, 53743, 107486, 161229, 214972, 322458, 644916]

約数ペア:

[(1, 644916), (2, 322458), (3, 214972), (4, 161229), (6, 107486), (12, 53743), (223, 2892), (241, 2676), (446, 1446), (482, 1338), (669, 964), (723, 892)]