38278985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 51438240

約数和(自身を除く): 13159255

約数列:

[1, 5, 17, 29, 53, 85, 145, 265, 293, 493, 901, 1465, 1537, 2465, 4505, 4981, 7685, 8497, 15529, 24905, 26129, 42485, 77645, 130645, 144449, 263993, 450341, 722245, 1319965, 2251705, 7655797, 38278985]

約数ペア:

[(1, 38278985), (5, 7655797), (17, 2251705), (29, 1319965), (53, 722245), (85, 450341), (145, 263993), (265, 144449), (293, 130645), (493, 77645), (901, 42485), (1465, 26129), (1537, 24905), (2465, 15529), (4505, 8497), (4981, 7685)]