81908316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17107}}^1$

素因数の和:17143

約数の個数: 72

約数和(自身を含む): 249092480

約数和(自身を除く): 167184164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 17107, 34214, 51321, 68428, 102642, 119749, 153963, 205284, 239498, 307926, 325033, 359247, 478996, 615852, 650066, 718494, 975099, 1077741, 1300132, 1436988, 1950198, 2155482, 2275231, 2925297, 3900396, 4310964, 4550462, 5850594, 6825693, 9100924, 11701188, 13651386, 20477079, 27302772, 40954158, 81908316]

約数ペア:

[(1, 81908316), (2, 40954158), (3, 27302772), (4, 20477079), (6, 13651386), (7, 11701188), (9, 9100924), (12, 6825693), (14, 5850594), (18, 4550462), (19, 4310964), (21, 3900396), (28, 2925297), (36, 2275231), (38, 2155482), (42, 1950198), (57, 1436988), (63, 1300132), (76, 1077741), (84, 975099), (114, 718494), (126, 650066), (133, 615852), (171, 478996), (228, 359247), (252, 325033), (266, 307926), (342, 239498), (399, 205284), (532, 153963), (684, 119749), (798, 102642), (1197, 68428), (1596, 51321), (2394, 34214), (4788, 17107)]