217831206

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{36709}}^1$

素因数の和:36780

約数の個数: 32

約数和(自身を含む): 465189120

約数和(自身を除く): 247357914

約数列:

[1, 2, 3, 6, 23, 43, 46, 69, 86, 129, 138, 258, 989, 1978, 2967, 5934, 36709, 73418, 110127, 220254, 844307, 1578487, 1688614, 2532921, 3156974, 4735461, 5065842, 9470922, 36305201, 72610402, 108915603, 217831206]

約数ペア:

[(1, 217831206), (2, 108915603), (3, 72610402), (6, 36305201), (23, 9470922), (43, 5065842), (46, 4735461), (69, 3156974), (86, 2532921), (129, 1688614), (138, 1578487), (258, 844307), (989, 220254), (1978, 110127), (2967, 73418), (5934, 36709)]