28033689132

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{2851}}^1\times {\mathrm{3847}}^1$

素因数の和:6779

約数の個数: 72

約数和(自身を含む): 71904897792

約数和(自身を除く): 43871208660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 2851, 3847, 5702, 7694, 8553, 11404, 11541, 15388, 17106, 23082, 25659, 34212, 34623, 46164, 51318, 69246, 102636, 138492, 202421, 273137, 404842, 546274, 607263, 809684, 819411, 1092548, 1214526, 1638822, 1821789, 2429052, 2458233, 3277644, 3643578, 4916466, 7287156, 9832932, 10967797, 21935594, 32903391, 43871188, 65806782, 98710173, 131613564, 197420346, 394840692, 778713587, 1557427174, 2336140761, 3114854348, 4672281522, 7008422283, 9344563044, 14016844566, 28033689132]

約数ペア:

[(1, 28033689132), (2, 14016844566), (3, 9344563044), (4, 7008422283), (6, 4672281522), (9, 3114854348), (12, 2336140761), (18, 1557427174), (36, 778713587), (71, 394840692), (142, 197420346), (213, 131613564), (284, 98710173), (426, 65806782), (639, 43871188), (852, 32903391), (1278, 21935594), (2556, 10967797), (2851, 9832932), (3847, 7287156), (5702, 4916466), (7694, 3643578), (8553, 3277644), (11404, 2458233), (11541, 2429052), (15388, 1821789), (17106, 1638822), (23082, 1214526), (25659, 1092548), (34212, 819411), (34623, 809684), (46164, 607263), (51318, 546274), (69246, 404842), (102636, 273137), (138492, 202421)]