400997249

素因数分解:

${\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{991}}^1$

素因数の和:1328

約数の個数: 16

約数和(自身を含む): 426353664

約数和(自身を除く): 25356415

約数列:

[1, 23, 73, 241, 991, 1679, 5543, 17593, 22793, 72343, 238831, 404639, 1663889, 5493113, 17434663, 400997249]

約数ペア:

[(1, 400997249), (23, 17434663), (73, 5493113), (241, 1663889), (991, 404639), (1679, 238831), (5543, 72343), (17593, 22793)]