38181325

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1291}}^1$

素因数の和:1334

約数の個数: 36

約数和(自身を含む): 58636128

約数和(自身を除く): 20454803

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 169, 175, 325, 455, 845, 1183, 1291, 2275, 4225, 5915, 6455, 9037, 16783, 29575, 32275, 45185, 83915, 117481, 218179, 225925, 419575, 587405, 1090895, 1527253, 2937025, 5454475, 7636265, 38181325]

約数ペア:

[(1, 38181325), (5, 7636265), (7, 5454475), (13, 2937025), (25, 1527253), (35, 1090895), (65, 587405), (91, 419575), (169, 225925), (175, 218179), (325, 117481), (455, 83915), (845, 45185), (1183, 32275), (1291, 29575), (2275, 16783), (4225, 9037), (5915, 6455)]