12987572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{659}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 24578400

約数和(自身を除く): 11590828

約数列:

[1, 2, 4, 13, 26, 52, 379, 659, 758, 1318, 1516, 2636, 4927, 8567, 9854, 17134, 19708, 34268, 249761, 499522, 999044, 3246893, 6493786, 12987572]

約数ペア:

[(1, 12987572), (2, 6493786), (4, 3246893), (13, 999044), (26, 499522), (52, 249761), (379, 34268), (659, 19708), (758, 17134), (1318, 9854), (1516, 8567), (2636, 4927)]