256428146

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 425392128

約数和(自身を除く): 168963982

約数列:

[1, 2, 13, 26, 47, 94, 223, 446, 611, 941, 1222, 1882, 2899, 5798, 10481, 12233, 20962, 24466, 44227, 88454, 136253, 209843, 272506, 419686, 574951, 1149902, 2727959, 5455918, 9862621, 19725242, 128214073, 256428146]

約数ペア:

[(1, 256428146), (2, 128214073), (13, 19725242), (26, 9862621), (47, 5455918), (94, 2727959), (223, 1149902), (446, 574951), (611, 419686), (941, 272506), (1222, 209843), (1882, 136253), (2899, 88454), (5798, 44227), (10481, 24466), (12233, 20962)]