1640390961

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1156019}}^1$

素因数の和:1156076

約数の個数: 16

約数和(自身を含む): 2441514240

約数和(自身を除く): 801123279

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 1156019, 3468057, 12716209, 38148627, 49708817, 149126451, 546796987, 1640390961]

約数ペア:

[(1, 1640390961), (3, 546796987), (11, 149126451), (33, 49708817), (43, 38148627), (129, 12716209), (473, 3468057), (1419, 1156019)]