81500485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 110481408

約数和(自身を除く): 28980923

約数列:

[1, 5, 11, 53, 55, 73, 265, 365, 383, 583, 803, 1915, 2915, 3869, 4015, 4213, 19345, 20299, 21065, 27959, 42559, 101495, 139795, 212795, 223289, 307549, 1116445, 1481827, 1537745, 7409135, 16300097, 81500485]

約数ペア:

[(1, 81500485), (5, 16300097), (11, 7409135), (53, 1537745), (55, 1481827), (73, 1116445), (265, 307549), (365, 223289), (383, 212795), (583, 139795), (803, 101495), (1915, 42559), (2915, 27959), (3869, 21065), (4015, 20299), (4213, 19345)]