381391225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{4483}}^1$

素因数の和:4617

約数の個数: 24

約数和(自身を含む): 490406112

約数和(自身を除く): 109014887

約数列:

[1, 5, 25, 41, 83, 205, 415, 1025, 2075, 3403, 4483, 17015, 22415, 85075, 112075, 183803, 372089, 919015, 1860445, 4595075, 9302225, 15255649, 76278245, 381391225]

約数ペア:

[(1, 381391225), (5, 76278245), (25, 15255649), (41, 9302225), (83, 4595075), (205, 1860445), (415, 919015), (1025, 372089), (2075, 183803), (3403, 112075), (4483, 85075), (17015, 22415)]