38415325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 36

約数和(自身を含む): 54627580

約数和(自身を除く): 16212255

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 289, 325, 409, 425, 1105, 1445, 2045, 3757, 5317, 5525, 6953, 7225, 10225, 18785, 26585, 34765, 90389, 93925, 118201, 132925, 173825, 451945, 591005, 1536613, 2259725, 2955025, 7683065, 38415325]

約数ペア:

[(1, 38415325), (5, 7683065), (13, 2955025), (17, 2259725), (25, 1536613), (65, 591005), (85, 451945), (221, 173825), (289, 132925), (325, 118201), (409, 93925), (425, 90389), (1105, 34765), (1445, 26585), (2045, 18785), (3757, 10225), (5317, 7225), (5525, 6953)]