78679252

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{997}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 139859720

約数和(自身を除く): 61180468

約数列:

[1, 2, 4, 109, 181, 218, 362, 436, 724, 997, 1994, 3988, 19729, 39458, 78916, 108673, 180457, 217346, 360914, 434692, 721828, 19669813, 39339626, 78679252]

約数ペア:

[(1, 78679252), (2, 39339626), (4, 19669813), (109, 721828), (181, 434692), (218, 360914), (362, 217346), (436, 180457), (724, 108673), (997, 78916), (1994, 39458), (3988, 19729)]