309163075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3617}}^1$

素因数の和:3903

約数の個数: 24

約数和(自身を含む): 414535968

約数和(自身を除く): 105372893

約数列:

[1, 5, 13, 25, 65, 263, 325, 1315, 3419, 3617, 6575, 17095, 18085, 47021, 85475, 90425, 235105, 951271, 1175525, 4756355, 12366523, 23781775, 61832615, 309163075]

約数ペア:

[(1, 309163075), (5, 61832615), (13, 23781775), (25, 12366523), (65, 4756355), (263, 1175525), (325, 951271), (1315, 235105), (3419, 90425), (3617, 85475), (6575, 47021), (17095, 18085)]