28996820209

素因数分解:

$7^2\times {\mathrm{641}}^1\times {\mathrm{923201}}^1$

素因数の和:923856

約数の個数: 12

約数和(自身を含む): 33783653988

約数和(自身を除く): 4786833779

約数列:

[1, 7, 49, 641, 4487, 31409, 923201, 6462407, 45236849, 591771841, 4142402887, 28996820209]

約数ペア:

[(1, 28996820209), (7, 4142402887), (49, 591771841), (641, 45236849), (4487, 6462407), (31409, 923201)]