405964312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73651}}^1$

素因数の和:73723

約数の個数: 32

約数和(自身を含む): 835213680

約数和(自身を除く): 429249368

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 73651, 147302, 294604, 589208, 957463, 1914926, 3829852, 3903503, 7659704, 7807006, 15614012, 31228024, 50745539, 101491078, 202982156, 405964312]

約数ペア:

[(1, 405964312), (2, 202982156), (4, 101491078), (8, 50745539), (13, 31228024), (26, 15614012), (52, 7807006), (53, 7659704), (104, 3903503), (106, 3829852), (212, 1914926), (424, 957463), (689, 589208), (1378, 294604), (2756, 147302), (5512, 73651)]