87915457

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 105737280

約数和(自身を除く): 17821823

約数列:

[1, 7, 49, 61, 67, 427, 439, 469, 2989, 3073, 3283, 4087, 21511, 26779, 28609, 29413, 187453, 200263, 205891, 1312171, 1441237, 1794193, 12559351, 87915457]

約数ペア:

[(1, 87915457), (7, 12559351), (49, 1794193), (61, 1441237), (67, 1312171), (427, 205891), (439, 200263), (469, 187453), (2989, 29413), (3073, 28609), (3283, 26779), (4087, 21511)]