289692

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1$

素因数の和:642

約数の個数: 36

約数和(自身を含む): 789880

約数和(自身を除く): 500188

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 619, 1238, 1857, 2476, 3714, 5571, 7428, 8047, 11142, 16094, 22284, 24141, 32188, 48282, 72423, 96564, 144846, 289692]

約数ペア:

[(1, 289692), (2, 144846), (3, 96564), (4, 72423), (6, 48282), (9, 32188), (12, 24141), (13, 22284), (18, 16094), (26, 11142), (36, 8047), (39, 7428), (52, 5571), (78, 3714), (117, 2476), (156, 1857), (234, 1238), (468, 619)]