205072945

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{23159}}^1$

素因数の和:23205

約数の個数: 32

約数和(自身を含む): 320163840

約数和(自身を除く): 115090895

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 8855, 23159, 115795, 162113, 254749, 532657, 810565, 1273745, 1783243, 2663285, 3728599, 5859227, 8916215, 18642995, 29296135, 41014589, 205072945]

約数ペア:

[(1, 205072945), (5, 41014589), (7, 29296135), (11, 18642995), (23, 8916215), (35, 5859227), (55, 3728599), (77, 2663285), (115, 1783243), (161, 1273745), (253, 810565), (385, 532657), (805, 254749), (1265, 162113), (1771, 115795), (8855, 23159)]