1261893584

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{304511}}^1$

素因数の和:304563

約数の個数: 40

約数和(自身を含む): 2869721088

約数和(自身を除く): 1607827504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 304511, 609022, 1218044, 2131577, 2436088, 4263154, 4872176, 8526308, 11266907, 17052616, 22533814, 34105232, 45067628, 78868349, 90135256, 157736698, 180270512, 315473396, 630946792, 1261893584]

約数ペア:

[(1, 1261893584), (2, 630946792), (4, 315473396), (7, 180270512), (8, 157736698), (14, 90135256), (16, 78868349), (28, 45067628), (37, 34105232), (56, 22533814), (74, 17052616), (112, 11266907), (148, 8526308), (259, 4872176), (296, 4263154), (518, 2436088), (592, 2131577), (1036, 1218044), (2072, 609022), (4144, 304511)]