81013644

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1427}}^1$

素因数の和:1539

約数の個数: 72

約数和(自身を含む): 218312640

約数和(自身を除く): 137298996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 83, 114, 166, 171, 228, 249, 332, 342, 498, 684, 747, 996, 1427, 1494, 1577, 2854, 2988, 3154, 4281, 4731, 5708, 6308, 8562, 9462, 12843, 14193, 17124, 18924, 25686, 27113, 28386, 51372, 54226, 56772, 81339, 108452, 118441, 162678, 236882, 244017, 325356, 355323, 473764, 488034, 710646, 976068, 1065969, 1421292, 2131938, 2250379, 4263876, 4500758, 6751137, 9001516, 13502274, 20253411, 27004548, 40506822, 81013644]

約数ペア:

[(1, 81013644), (2, 40506822), (3, 27004548), (4, 20253411), (6, 13502274), (9, 9001516), (12, 6751137), (18, 4500758), (19, 4263876), (36, 2250379), (38, 2131938), (57, 1421292), (76, 1065969), (83, 976068), (114, 710646), (166, 488034), (171, 473764), (228, 355323), (249, 325356), (332, 244017), (342, 236882), (498, 162678), (684, 118441), (747, 108452), (996, 81339), (1427, 56772), (1494, 54226), (1577, 51372), (2854, 28386), (2988, 27113), (3154, 25686), (4281, 18924), (4731, 17124), (5708, 14193), (6308, 12843), (8562, 9462)]