7886895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 13514688

約数和(自身を除く): 5627793

約数列:

[1, 3, 5, 15, 17, 51, 85, 157, 197, 255, 471, 591, 785, 985, 2355, 2669, 2955, 3349, 8007, 10047, 13345, 16745, 30929, 40035, 50235, 92787, 154645, 463935, 525793, 1577379, 2628965, 7886895]

約数ペア:

[(1, 7886895), (3, 2628965), (5, 1577379), (15, 525793), (17, 463935), (51, 154645), (85, 92787), (157, 50235), (197, 40035), (255, 30929), (471, 16745), (591, 13345), (785, 10047), (985, 8007), (2355, 3349), (2669, 2955)]