257515440026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{14867}}^1\times {\mathrm{666203}}^1$

素因数の和:681085

約数の個数: 16

約数和(自身を含む): 416015085024

約数和(自身を除く): 158499644998

約数列:

[1, 2, 13, 26, 14867, 29734, 193271, 386542, 666203, 1332406, 8660639, 17321278, 9904440001, 19808880002, 128757720013, 257515440026]

約数ペア:

[(1, 257515440026), (2, 128757720013), (13, 19808880002), (26, 9904440001), (14867, 17321278), (29734, 8660639), (193271, 1332406), (386542, 666203)]