81945404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{2251}}^1$

素因数の和:2753

約数の個数: 24

約数和(自身を含む): 151334400

約数和(自身を除く): 69388996

約数列:

[1, 2, 4, 19, 38, 76, 479, 958, 1916, 2251, 4502, 9004, 9101, 18202, 36404, 42769, 85538, 171076, 1078229, 2156458, 4312916, 20486351, 40972702, 81945404]

約数ペア:

[(1, 81945404), (2, 40972702), (4, 20486351), (19, 4312916), (38, 2156458), (76, 1078229), (479, 171076), (958, 85538), (1916, 42769), (2251, 36404), (4502, 18202), (9004, 9101)]