66815021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1831}}^1$

素因数の和:2252

約数の個数: 16

約数和(自身を含む): 82483968

約数和(自身を除く): 15668947

約数列:

[1, 7, 13, 91, 401, 1831, 2807, 5213, 12817, 23803, 36491, 166621, 734231, 5139617, 9545003, 66815021]

約数ペア:

[(1, 66815021), (7, 9545003), (13, 5139617), (91, 734231), (401, 166621), (1831, 36491), (2807, 23803), (5213, 12817)]