38987890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{577}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 73036080

約数和(自身を除く): 34048190

約数列:

[1, 2, 5, 10, 29, 58, 145, 233, 290, 466, 577, 1154, 1165, 2330, 2885, 5770, 6757, 13514, 16733, 33466, 33785, 67570, 83665, 134441, 167330, 268882, 672205, 1344410, 3898789, 7797578, 19493945, 38987890]

約数ペア:

[(1, 38987890), (2, 19493945), (5, 7797578), (10, 3898789), (29, 1344410), (58, 672205), (145, 268882), (233, 167330), (290, 134441), (466, 83665), (577, 67570), (1154, 33785), (1165, 33466), (2330, 16733), (2885, 13514), (5770, 6757)]