28810910

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 53514432

約数和(自身を除く): 24703522

約数列:

[1, 2, 5, 10, 61, 73, 122, 146, 305, 365, 610, 647, 730, 1294, 3235, 4453, 6470, 8906, 22265, 39467, 44530, 47231, 78934, 94462, 197335, 236155, 394670, 472310, 2881091, 5762182, 14405455, 28810910]

約数ペア:

[(1, 28810910), (2, 14405455), (5, 5762182), (10, 2881091), (61, 472310), (73, 394670), (122, 236155), (146, 197335), (305, 94462), (365, 78934), (610, 47231), (647, 44530), (730, 39467), (1294, 22265), (3235, 8906), (4453, 6470)]