890252209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{1061}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 1178157312

約数和(自身を除く): 287905103

約数列:

[1, 7, 11, 17, 77, 119, 187, 641, 1061, 1309, 4487, 7051, 7427, 10897, 11671, 18037, 49357, 76279, 81697, 119867, 126259, 198407, 680101, 839069, 1388849, 4760707, 7481111, 11561717, 52367777, 80932019, 127178887, 890252209]

約数ペア:

[(1, 890252209), (7, 127178887), (11, 80932019), (17, 52367777), (77, 11561717), (119, 7481111), (187, 4760707), (641, 1388849), (1061, 839069), (1309, 680101), (4487, 198407), (7051, 126259), (7427, 119867), (10897, 81697), (11671, 76279), (18037, 49357)]