161678075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2251}}^1$

素因数の和:2304

約数の個数: 36

約数和(自身を含む): 229960728

約数和(自身を除く): 68282653

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 425, 845, 1105, 2251, 2873, 4225, 5525, 11255, 14365, 29263, 38267, 56275, 71825, 146315, 191335, 380419, 497471, 731575, 956675, 1902095, 2487355, 6467123, 9510475, 12436775, 32335615, 161678075]

約数ペア:

[(1, 161678075), (5, 32335615), (13, 12436775), (17, 9510475), (25, 6467123), (65, 2487355), (85, 1902095), (169, 956675), (221, 731575), (325, 497471), (425, 380419), (845, 191335), (1105, 146315), (2251, 71825), (2873, 56275), (4225, 38267), (5525, 29263), (11255, 14365)]