87974686

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1227

約数の個数: 16

約数和(自身を含む): 133294608

約数和(自身を除く): 45319922

約数列:

[1, 2, 163, 326, 421, 641, 842, 1282, 68623, 104483, 137246, 208966, 269861, 539722, 43987343, 87974686]

約数ペア:

[(1, 87974686), (2, 43987343), (163, 539722), (326, 269861), (421, 208966), (641, 137246), (842, 104483), (1282, 68623)]