688273552

素因数分解:

$2^4\times {\mathrm{1613}}^1\times {\mathrm{26669}}^1$

素因数の和:28290

約数の個数: 20

約数和(自身を含む): 1334406780

約数和(自身を除く): 646133228

約数列:

[1, 2, 4, 8, 16, 1613, 3226, 6452, 12904, 25808, 26669, 53338, 106676, 213352, 426704, 43017097, 86034194, 172068388, 344136776, 688273552]

約数ペア:

[(1, 688273552), (2, 344136776), (4, 172068388), (8, 86034194), (16, 43017097), (1613, 426704), (3226, 213352), (6452, 106676), (12904, 53338), (25808, 26669)]