25661805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 45536256

約数和(自身を除く): 19874451

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 169, 191, 195, 265, 507, 573, 689, 795, 845, 955, 2067, 2483, 2535, 2865, 3445, 7449, 8957, 10123, 10335, 12415, 26871, 30369, 32279, 37245, 44785, 50615, 96837, 131599, 134355, 151845, 161395, 394797, 484185, 657995, 1710787, 1973985, 5132361, 8553935, 25661805]

約数ペア:

[(1, 25661805), (3, 8553935), (5, 5132361), (13, 1973985), (15, 1710787), (39, 657995), (53, 484185), (65, 394797), (159, 161395), (169, 151845), (191, 134355), (195, 131599), (265, 96837), (507, 50615), (573, 44785), (689, 37245), (795, 32279), (845, 30369), (955, 26871), (2067, 12415), (2483, 10335), (2535, 10123), (2865, 8957), (3445, 7449)]