28413252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{823}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 82782336

約数和(自身を除く): 54369084

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 137, 252, 274, 411, 548, 822, 823, 959, 1233, 1644, 1646, 1918, 2466, 2469, 2877, 3292, 3836, 4932, 4938, 5754, 5761, 7407, 8631, 9876, 11508, 11522, 14814, 17262, 17283, 23044, 29628, 34524, 34566, 51849, 69132, 103698, 112751, 207396, 225502, 338253, 451004, 676506, 789257, 1014759, 1353012, 1578514, 2029518, 2367771, 3157028, 4059036, 4735542, 7103313, 9471084, 14206626, 28413252]

約数ペア:

[(1, 28413252), (2, 14206626), (3, 9471084), (4, 7103313), (6, 4735542), (7, 4059036), (9, 3157028), (12, 2367771), (14, 2029518), (18, 1578514), (21, 1353012), (28, 1014759), (36, 789257), (42, 676506), (63, 451004), (84, 338253), (126, 225502), (137, 207396), (252, 112751), (274, 103698), (411, 69132), (548, 51849), (822, 34566), (823, 34524), (959, 29628), (1233, 23044), (1644, 17283), (1646, 17262), (1918, 14814), (2466, 11522), (2469, 11508), (2877, 9876), (3292, 8631), (3836, 7407), (4932, 5761), (4938, 5754)]