630291248

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{916121}}^1$

素因数の和:916172

約数の個数: 20

約数和(自身を含む): 1249590408

約数和(自身を除く): 619299160

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 916121, 1832242, 3664484, 7328968, 14657936, 39393203, 78786406, 157572812, 315145624, 630291248]

約数ペア:

[(1, 630291248), (2, 315145624), (4, 157572812), (8, 78786406), (16, 39393203), (43, 14657936), (86, 7328968), (172, 3664484), (344, 1832242), (688, 916121)]