71399556

素因数分解:

$2^2\times 3^4\times {\mathrm{220369}}^1$

素因数の和:220385

約数の個数: 30

約数和(自身を含む): 186653390

約数和(自身を除く): 115253834

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 220369, 440738, 661107, 881476, 1322214, 1983321, 2644428, 3966642, 5949963, 7933284, 11899926, 17849889, 23799852, 35699778, 71399556]

約数ペア:

[(1, 71399556), (2, 35699778), (3, 23799852), (4, 17849889), (6, 11899926), (9, 7933284), (12, 5949963), (18, 3966642), (27, 2644428), (36, 1983321), (54, 1322214), (81, 881476), (108, 661107), (162, 440738), (324, 220369)]