2178990166

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{260209}}^1$

素因数の和:260343

約数の個数: 16

約数和(自身を含む): 3372321600

約数和(自身を除く): 1193331434

約数列:

[1, 2, 53, 79, 106, 158, 4187, 8374, 260209, 520418, 13791077, 20556511, 27582154, 41113022, 1089495083, 2178990166]

約数ペア:

[(1, 2178990166), (2, 1089495083), (53, 41113022), (79, 27582154), (106, 20556511), (158, 13791077), (4187, 520418), (8374, 260209)]