638291251

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{4447}}^1$

素因数の和:4702

約数の個数: 16

約数和(自身を含む): 702677248

約数和(自身を除く): 64385997

約数列:

[1, 13, 61, 181, 793, 2353, 4447, 11041, 57811, 143533, 271267, 804907, 3526471, 10463791, 49099327, 638291251]

約数ペア:

[(1, 638291251), (13, 49099327), (61, 10463791), (181, 3526471), (793, 804907), (2353, 271267), (4447, 143533), (11041, 57811)]