8639826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 18724608

約数和(自身を除く): 10084782

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257, 431, 514, 771, 862, 1293, 1542, 2586, 3341, 5603, 6682, 10023, 11206, 16809, 20046, 33618, 110767, 221534, 332301, 664602, 1439971, 2879942, 4319913, 8639826]

約数ペア:

[(1, 8639826), (2, 4319913), (3, 2879942), (6, 1439971), (13, 664602), (26, 332301), (39, 221534), (78, 110767), (257, 33618), (431, 20046), (514, 16809), (771, 11206), (862, 10023), (1293, 6682), (1542, 5603), (2586, 3341)]