81365624

素因数分解:

$2^3\times {\mathrm{1607}}^1\times {\mathrm{6329}}^1$

素因数の和:7942

約数の個数: 16

約数和(自身を含む): 152679600

約数和(自身を除く): 71313976

約数列:

[1, 2, 4, 8, 1607, 3214, 6329, 6428, 12658, 12856, 25316, 50632, 10170703, 20341406, 40682812, 81365624]

約数ペア:

[(1, 81365624), (2, 40682812), (4, 20341406), (8, 10170703), (1607, 50632), (3214, 25316), (6329, 12856), (6428, 12658)]