25275985

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 36864000

約数和(自身を除く): 11588015

約数列:

[1, 5, 7, 19, 35, 95, 133, 191, 199, 665, 955, 995, 1337, 1393, 3629, 3781, 6685, 6965, 18145, 18905, 25403, 26467, 38009, 127015, 132335, 190045, 266063, 722171, 1330315, 3610855, 5055197, 25275985]

約数ペア:

[(1, 25275985), (5, 5055197), (7, 3610855), (19, 1330315), (35, 722171), (95, 266063), (133, 190045), (191, 132335), (199, 127015), (665, 38009), (955, 26467), (995, 25403), (1337, 18905), (1393, 18145), (3629, 6965), (3781, 6685)]