31238893

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 36604800

約数和(自身を除く): 5365907

約数列:

[1, 7, 61, 149, 427, 491, 1043, 3437, 9089, 29951, 63623, 73159, 209657, 512113, 4462699, 31238893]

約数ペア:

[(1, 31238893), (7, 4462699), (61, 512113), (149, 209657), (427, 73159), (491, 63623), (1043, 29951), (3437, 9089)]