639104157

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 968018688

約数和(自身を除く): 328914531

約数列:

[1, 3, 9, 53, 71, 113, 159, 167, 213, 339, 477, 501, 639, 1017, 1503, 3763, 5989, 8023, 8851, 11289, 11857, 17967, 18871, 24069, 26553, 33867, 35571, 53901, 56613, 72207, 79659, 106713, 169839, 425219, 628421, 1000163, 1275657, 1339841, 1885263, 3000489, 3826971, 4019523, 5655789, 9001467, 12058569, 71011573, 213034719, 639104157]

約数ペア:

[(1, 639104157), (3, 213034719), (9, 71011573), (53, 12058569), (71, 9001467), (113, 5655789), (159, 4019523), (167, 3826971), (213, 3000489), (339, 1885263), (477, 1339841), (501, 1275657), (639, 1000163), (1017, 628421), (1503, 425219), (3763, 169839), (5989, 106713), (8023, 79659), (8851, 72207), (11289, 56613), (11857, 53901), (17967, 35571), (18871, 33867), (24069, 26553)]