858762247

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2143}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 1086750720

約数和(自身を除く): 227988473

約数列:

[1, 7, 19, 23, 131, 133, 161, 437, 917, 2143, 2489, 3013, 3059, 15001, 17423, 21091, 40717, 49289, 57247, 280733, 285019, 345023, 400729, 936491, 1965131, 5333927, 6456859, 6555437, 37337489, 45198013, 122680321, 858762247]

約数ペア:

[(1, 858762247), (7, 122680321), (19, 45198013), (23, 37337489), (131, 6555437), (133, 6456859), (161, 5333927), (437, 1965131), (917, 936491), (2143, 400729), (2489, 345023), (3013, 285019), (3059, 280733), (15001, 57247), (17423, 49289), (21091, 40717)]