64709890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3221}}^1$

素因数の和:3283

約数の個数: 48

約数和(自身を含む): 138842424

約数和(自身を除く): 74132534

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1435, 2009, 2870, 3221, 4018, 6442, 10045, 16105, 20090, 22547, 32210, 45094, 112735, 132061, 157829, 225470, 264122, 315658, 660305, 789145, 924427, 1320610, 1578290, 1848854, 4622135, 6470989, 9244270, 12941978, 32354945, 64709890]

約数ペア:

[(1, 64709890), (2, 32354945), (5, 12941978), (7, 9244270), (10, 6470989), (14, 4622135), (35, 1848854), (41, 1578290), (49, 1320610), (70, 924427), (82, 789145), (98, 660305), (205, 315658), (245, 264122), (287, 225470), (410, 157829), (490, 132061), (574, 112735), (1435, 45094), (2009, 32210), (2870, 22547), (3221, 20090), (4018, 16105), (6442, 10045)]