64627304

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18919}}^1$

素因数の和:18993

約数の個数: 32

約数和(自身を含む): 140764800

約数和(自身を除く): 76137496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 18919, 37838, 75676, 132433, 151352, 264866, 529732, 1059464, 1154059, 2308118, 4616236, 8078413, 9232472, 16156826, 32313652, 64627304]

約数ペア:

[(1, 64627304), (2, 32313652), (4, 16156826), (7, 9232472), (8, 8078413), (14, 4616236), (28, 2308118), (56, 1154059), (61, 1059464), (122, 529732), (244, 264866), (427, 151352), (488, 132433), (854, 75676), (1708, 37838), (3416, 18919)]