171640885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 228922848

約数和(自身を除く): 57281963

約数列:

[1, 5, 13, 61, 65, 73, 305, 365, 593, 793, 949, 2965, 3965, 4453, 4745, 7709, 22265, 36173, 38545, 43289, 57889, 180865, 216445, 289445, 470249, 562757, 2351245, 2640629, 2813785, 13203145, 34328177, 171640885]

約数ペア:

[(1, 171640885), (5, 34328177), (13, 13203145), (61, 2813785), (65, 2640629), (73, 2351245), (305, 562757), (365, 470249), (593, 289445), (793, 216445), (949, 180865), (2965, 57889), (3965, 43289), (4453, 38545), (4745, 36173), (7709, 22265)]