91438025

素因数分解:

$5^2\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1303}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 130003584

約数和(自身を除く): 38565559

約数列:

[1, 5, 7, 25, 35, 175, 401, 1303, 2005, 2807, 6515, 9121, 10025, 14035, 32575, 45605, 70175, 228025, 522503, 2612515, 3657521, 13062575, 18287605, 91438025]

約数ペア:

[(1, 91438025), (5, 18287605), (7, 13062575), (25, 3657521), (35, 2612515), (175, 522503), (401, 228025), (1303, 70175), (2005, 45605), (2807, 32575), (6515, 14035), (9121, 10025)]