172231505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 227847168

約数和(自身を除く): 55615663

約数列:

[1, 5, 17, 31, 85, 155, 163, 401, 527, 815, 2005, 2635, 2771, 5053, 6817, 12431, 13855, 25265, 34085, 62155, 65363, 85901, 211327, 326815, 429505, 1056635, 1111171, 2026253, 5555855, 10131265, 34446301, 172231505]

約数ペア:

[(1, 172231505), (5, 34446301), (17, 10131265), (31, 5555855), (85, 2026253), (155, 1111171), (163, 1056635), (401, 429505), (527, 326815), (815, 211327), (2005, 85901), (2635, 65363), (2771, 62155), (5053, 34085), (6817, 25265), (12431, 13855)]