51081990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4289}}^1$

素因数の和:4696

約数の個数: 32

約数和(自身を含む): 122934240

約数和(自身を除く): 71852250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 794, 1191, 1985, 2382, 3970, 4289, 5955, 8578, 11910, 12867, 21445, 25734, 42890, 64335, 128670, 1702733, 3405466, 5108199, 8513665, 10216398, 17027330, 25540995, 51081990]

約数ペア:

[(1, 51081990), (2, 25540995), (3, 17027330), (5, 10216398), (6, 8513665), (10, 5108199), (15, 3405466), (30, 1702733), (397, 128670), (794, 64335), (1191, 42890), (1985, 25734), (2382, 21445), (3970, 12867), (4289, 11910), (5955, 8578)]