90100945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 125199360

約数和(自身を除く): 35098415

約数列:

[1, 5, 11, 19, 55, 95, 151, 209, 571, 755, 1045, 1661, 2855, 2869, 6281, 8305, 10849, 14345, 31405, 31559, 54245, 86221, 119339, 157795, 431105, 596695, 948431, 1638199, 4742155, 8190995, 18020189, 90100945]

約数ペア:

[(1, 90100945), (5, 18020189), (11, 8190995), (19, 4742155), (55, 1638199), (95, 948431), (151, 596695), (209, 431105), (571, 157795), (755, 119339), (1045, 86221), (1661, 54245), (2855, 31559), (2869, 31405), (6281, 14345), (8305, 10849)]