81742076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{2753}}^1$

素因数の和:3341

約数の個数: 24

約数和(自身を含む): 154378224

約数和(自身を除く): 72636148

約数列:

[1, 2, 4, 13, 26, 52, 571, 1142, 2284, 2753, 5506, 7423, 11012, 14846, 29692, 35789, 71578, 143156, 1571963, 3143926, 6287852, 20435519, 40871038, 81742076]

約数ペア:

[(1, 81742076), (2, 40871038), (4, 20435519), (13, 6287852), (26, 3143926), (52, 1571963), (571, 143156), (1142, 71578), (2284, 35789), (2753, 29692), (5506, 14846), (7423, 11012)]