28722564

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{4721}}^1$

素因数の和:4757

約数の個数: 54

約数和(自身を含む): 78635466

約数和(自身を除く): 49912902

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 4721, 6084, 9442, 14163, 18884, 28326, 42489, 56652, 61373, 84978, 122746, 169956, 184119, 245492, 368238, 552357, 736476, 797849, 1104714, 1595698, 2209428, 2393547, 3191396, 4787094, 7180641, 9574188, 14361282, 28722564]

約数ペア:

[(1, 28722564), (2, 14361282), (3, 9574188), (4, 7180641), (6, 4787094), (9, 3191396), (12, 2393547), (13, 2209428), (18, 1595698), (26, 1104714), (36, 797849), (39, 736476), (52, 552357), (78, 368238), (117, 245492), (156, 184119), (169, 169956), (234, 122746), (338, 84978), (468, 61373), (507, 56652), (676, 42489), (1014, 28326), (1521, 18884), (2028, 14163), (3042, 9442), (4721, 6084)]