90980015

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{7901}}^1$

素因数の和:7967

約数の個数: 24

約数和(自身を含む): 129719232

約数和(自身を除く): 38739217

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 2303, 7901, 11515, 39505, 55307, 276535, 371347, 387149, 1856735, 1935745, 2599429, 12997145, 18196003, 90980015]

約数ペア:

[(1, 90980015), (5, 18196003), (7, 12997145), (35, 2599429), (47, 1935745), (49, 1856735), (235, 387149), (245, 371347), (329, 276535), (1645, 55307), (2303, 39505), (7901, 11515)]