12887816

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 25178880

約数和(自身を除く): 12291064

約数列:

[1, 2, 4, 8, 31, 62, 124, 157, 248, 314, 331, 628, 662, 1256, 1324, 2648, 4867, 9734, 10261, 19468, 20522, 38936, 41044, 51967, 82088, 103934, 207868, 415736, 1610977, 3221954, 6443908, 12887816]

約数ペア:

[(1, 12887816), (2, 6443908), (4, 3221954), (8, 1610977), (31, 415736), (62, 207868), (124, 103934), (157, 82088), (248, 51967), (314, 41044), (331, 38936), (628, 20522), (662, 19468), (1256, 10261), (1324, 9734), (2648, 4867)]