161209334

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 305690112

約数和(自身を除く): 144480778

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 71, 142, 143, 187, 221, 286, 374, 442, 467, 781, 923, 934, 1207, 1562, 1846, 2414, 2431, 4862, 5137, 6071, 7939, 10153, 10274, 12142, 13277, 15691, 15878, 20306, 26554, 31382, 33157, 66314, 66781, 87329, 103207, 133562, 172601, 174658, 206414, 345202, 364727, 431041, 563669, 729454, 862082, 1127338, 1135277, 2270554, 4741451, 6200359, 7327697, 9482902, 12400718, 14655394, 80604667, 161209334]

約数ペア:

[(1, 161209334), (2, 80604667), (11, 14655394), (13, 12400718), (17, 9482902), (22, 7327697), (26, 6200359), (34, 4741451), (71, 2270554), (142, 1135277), (143, 1127338), (187, 862082), (221, 729454), (286, 563669), (374, 431041), (442, 364727), (467, 345202), (781, 206414), (923, 174658), (934, 172601), (1207, 133562), (1562, 103207), (1846, 87329), (2414, 66781), (2431, 66314), (4862, 33157), (5137, 31382), (6071, 26554), (7939, 20306), (10153, 15878), (10274, 15691), (12142, 13277)]