221191505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{8209}}^1$

素因数の和:8548

約数の個数: 16

約数和(自身を含む): 281964240

約数和(自身を除く): 60772735

約数列:

[1, 5, 17, 85, 317, 1585, 5389, 8209, 26945, 41045, 139553, 697765, 2602253, 13011265, 44238301, 221191505]

約数ペア:

[(1, 221191505), (5, 44238301), (17, 13011265), (85, 2602253), (317, 697765), (1585, 139553), (5389, 41045), (8209, 26945)]