8140535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 11430720

約数和(自身を除く): 3290185

約数列:

[1, 5, 13, 17, 53, 65, 85, 139, 221, 265, 689, 695, 901, 1105, 1807, 2363, 3445, 4505, 7367, 9035, 11713, 11815, 30719, 36835, 58565, 95771, 125239, 153595, 478855, 626195, 1628107, 8140535]

約数ペア:

[(1, 8140535), (5, 1628107), (13, 626195), (17, 478855), (53, 153595), (65, 125239), (85, 95771), (139, 58565), (221, 36835), (265, 30719), (689, 11815), (695, 11713), (901, 9035), (1105, 7367), (1807, 4505), (2363, 3445)]