12019975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 16449840

約数和(自身を除く): 4429865

約数列:

[1, 5, 11, 25, 55, 109, 275, 401, 545, 1199, 2005, 2725, 4411, 5995, 10025, 22055, 29975, 43709, 110275, 218545, 480799, 1092725, 2403995, 12019975]

約数ペア:

[(1, 12019975), (5, 2403995), (11, 1092725), (25, 480799), (55, 218545), (109, 110275), (275, 43709), (401, 29975), (545, 22055), (1199, 10025), (2005, 5995), (2725, 4411)]