219150919

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 247840560

約数和(自身を除く): 28689641

約数列:

[1, 13, 43, 53, 169, 559, 569, 689, 2279, 7267, 7397, 8957, 24467, 29627, 30157, 96161, 318071, 385151, 392041, 1296751, 4134923, 5096533, 16857763, 219150919]

約数ペア:

[(1, 219150919), (13, 16857763), (43, 5096533), (53, 4134923), (169, 1296751), (559, 392041), (569, 385151), (689, 318071), (2279, 96161), (7267, 30157), (7397, 29627), (8957, 24467)]