220123514

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1321}}^1$

素因数の和:1395

約数の個数: 48

約数和(自身を含む): 391920120

約数和(自身を除く): 171796606

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 169, 221, 338, 377, 442, 493, 754, 986, 1321, 2642, 2873, 4901, 5746, 6409, 9802, 12818, 17173, 22457, 34346, 38309, 44914, 76618, 83317, 166634, 223249, 291941, 446498, 498017, 583882, 651253, 996034, 1302506, 3795233, 6474221, 7590466, 8466289, 12948442, 16932578, 110061757, 220123514]

約数ペア:

[(1, 220123514), (2, 110061757), (13, 16932578), (17, 12948442), (26, 8466289), (29, 7590466), (34, 6474221), (58, 3795233), (169, 1302506), (221, 996034), (338, 651253), (377, 583882), (442, 498017), (493, 446498), (754, 291941), (986, 223249), (1321, 166634), (2642, 83317), (2873, 76618), (4901, 44914), (5746, 38309), (6409, 34346), (9802, 22457), (12818, 17173)]