68437590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{175481}}^1$

素因数の和:175504

約数の個数: 32

約数和(自身を含む): 176885856

約数和(自身を除く): 108448266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 175481, 350962, 526443, 877405, 1052886, 1754810, 2281253, 2632215, 4562506, 5264430, 6843759, 11406265, 13687518, 22812530, 34218795, 68437590]

約数ペア:

[(1, 68437590), (2, 34218795), (3, 22812530), (5, 13687518), (6, 11406265), (10, 6843759), (13, 5264430), (15, 4562506), (26, 2632215), (30, 2281253), (39, 1754810), (65, 1052886), (78, 877405), (130, 526443), (195, 350962), (390, 175481)]