181657788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1811}}^1$

素因数の和:2474

約数の個数: 48

約数和(自身を含む): 457435776

約数和(自身を除く): 275777988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 643, 1286, 1811, 1929, 2572, 3622, 3858, 5433, 7244, 7716, 8359, 10866, 16718, 21732, 23543, 25077, 33436, 47086, 50154, 70629, 94172, 100308, 141258, 282516, 1164473, 2328946, 3493419, 4657892, 6986838, 13973676, 15138149, 30276298, 45414447, 60552596, 90828894, 181657788]

約数ペア:

[(1, 181657788), (2, 90828894), (3, 60552596), (4, 45414447), (6, 30276298), (12, 15138149), (13, 13973676), (26, 6986838), (39, 4657892), (52, 3493419), (78, 2328946), (156, 1164473), (643, 282516), (1286, 141258), (1811, 100308), (1929, 94172), (2572, 70629), (3622, 50154), (3858, 47086), (5433, 33436), (7244, 25077), (7716, 23543), (8359, 21732), (10866, 16718)]