66642247

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{1153}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 79764480

約数和(自身を除く): 13122233

約数列:

[1, 7, 23, 161, 359, 1153, 2513, 8071, 8257, 26519, 57799, 185633, 413927, 2897489, 9520321, 66642247]

約数ペア:

[(1, 66642247), (7, 9520321), (23, 2897489), (161, 413927), (359, 185633), (1153, 57799), (2513, 26519), (8071, 8257)]