638522638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1\times {\mathrm{2399}}^1$

素因数の和:2796

約数の個数: 32

約数和(自身を含む): 1070496000

約数和(自身を除く): 431973362

約数列:

[1, 2, 13, 26, 29, 58, 353, 377, 706, 754, 2399, 4589, 4798, 9178, 10237, 20474, 31187, 62374, 69571, 133081, 139142, 266162, 846847, 904423, 1693694, 1808846, 11009011, 22018022, 24558563, 49117126, 319261319, 638522638]

約数ペア:

[(1, 638522638), (2, 319261319), (13, 49117126), (26, 24558563), (29, 22018022), (58, 11009011), (353, 1808846), (377, 1693694), (706, 904423), (754, 846847), (2399, 266162), (4589, 139142), (4798, 133081), (9178, 69571), (10237, 62374), (20474, 31187)]