81353626

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{4091}}^1$

素因数の和:4317

約数の個数: 16

約数和(自身を含む): 124822368

約数和(自身を除く): 43468742

約数列:

[1, 2, 61, 122, 163, 326, 4091, 8182, 9943, 19886, 249551, 499102, 666833, 1333666, 40676813, 81353626]

約数ペア:

[(1, 81353626), (2, 40676813), (61, 1333666), (122, 666833), (163, 499102), (326, 249551), (4091, 19886), (8182, 9943)]