215172

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:192

約数の個数: 36

約数和(自身を含む): 560560

約数和(自身を除く): 345388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 139, 172, 258, 278, 387, 417, 516, 556, 774, 834, 1251, 1548, 1668, 2502, 5004, 5977, 11954, 17931, 23908, 35862, 53793, 71724, 107586, 215172]

約数ペア:

[(1, 215172), (2, 107586), (3, 71724), (4, 53793), (6, 35862), (9, 23908), (12, 17931), (18, 11954), (36, 5977), (43, 5004), (86, 2502), (129, 1668), (139, 1548), (172, 1251), (258, 834), (278, 774), (387, 556), (417, 516)]