28671175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1877}}^1$

素因数の和:1947

約数の個数: 24

約数和(自身を含む): 39122496

約数和(自身を除く): 10451321

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 1877, 3055, 9385, 15275, 24401, 46925, 88219, 122005, 441095, 610025, 1146847, 2205475, 5734235, 28671175]

約数ペア:

[(1, 28671175), (5, 5734235), (13, 2205475), (25, 1146847), (47, 610025), (65, 441095), (235, 122005), (325, 88219), (611, 46925), (1175, 24401), (1877, 15275), (3055, 9385)]