1640778854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{94049}}^1$

素因数の和:94136

約数の個数: 32

約数和(自身を含む): 2938874400

約数和(自身を除く): 1298095546

約数列:

[1, 2, 11, 13, 22, 26, 61, 122, 143, 286, 671, 793, 1342, 1586, 8723, 17446, 94049, 188098, 1034539, 1222637, 2069078, 2445274, 5736989, 11473978, 13449007, 26898014, 63106879, 74580857, 126213758, 149161714, 820389427, 1640778854]

約数ペア:

[(1, 1640778854), (2, 820389427), (11, 149161714), (13, 126213758), (22, 74580857), (26, 63106879), (61, 26898014), (122, 13449007), (143, 11473978), (286, 5736989), (671, 2445274), (793, 2069078), (1342, 1222637), (1586, 1034539), (8723, 188098), (17446, 94049)]