71476990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1129}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 138962880

約数和(自身を除く): 67485890

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 487, 974, 1129, 2258, 2435, 4870, 5645, 6331, 11290, 12662, 14677, 29354, 31655, 63310, 73385, 146770, 549823, 1099646, 2749115, 5498230, 7147699, 14295398, 35738495, 71476990]

約数ペア:

[(1, 71476990), (2, 35738495), (5, 14295398), (10, 7147699), (13, 5498230), (26, 2749115), (65, 1099646), (130, 549823), (487, 146770), (974, 73385), (1129, 63310), (2258, 31655), (2435, 29354), (4870, 14677), (5645, 12662), (6331, 11290)]