397966075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{28477}}^1$

素因数の和:28543

約数の個数: 24

約数和(自身を含む): 543815888

約数和(自身を除く): 145849813

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2795, 13975, 28477, 142385, 370201, 711925, 1224511, 1851005, 6122555, 9255025, 15918643, 30612775, 79593215, 397966075]

約数ペア:

[(1, 397966075), (5, 79593215), (13, 30612775), (25, 15918643), (43, 9255025), (65, 6122555), (215, 1851005), (325, 1224511), (559, 711925), (1075, 370201), (2795, 142385), (13975, 28477)]