861211396

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1259}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 1597337280

約数和(自身を除く): 736125884

約数列:

[1, 2, 4, 41, 43, 82, 86, 97, 164, 172, 194, 388, 1259, 1763, 2518, 3526, 3977, 4171, 5036, 7052, 7954, 8342, 15908, 16684, 51619, 54137, 103238, 108274, 122123, 171011, 206476, 216548, 244246, 342022, 488492, 684044, 2219617, 4439234, 5007043, 5251289, 8878468, 10014086, 10502578, 20028172, 21005156, 215302849, 430605698, 861211396]

約数ペア:

[(1, 861211396), (2, 430605698), (4, 215302849), (41, 21005156), (43, 20028172), (82, 10502578), (86, 10014086), (97, 8878468), (164, 5251289), (172, 5007043), (194, 4439234), (388, 2219617), (1259, 684044), (1763, 488492), (2518, 342022), (3526, 244246), (3977, 216548), (4171, 206476), (5036, 171011), (7052, 122123), (7954, 108274), (8342, 103238), (15908, 54137), (16684, 51619)]