81378984

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{811}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 211055040

約数和(自身を除く): 129676056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 113, 148, 222, 226, 296, 339, 444, 452, 678, 811, 888, 904, 1356, 1622, 2433, 2712, 3244, 4181, 4866, 6488, 8362, 9732, 12543, 16724, 19464, 25086, 30007, 33448, 50172, 60014, 90021, 91643, 100344, 120028, 180042, 183286, 240056, 274929, 360084, 366572, 549858, 720168, 733144, 1099716, 2199432, 3390791, 6781582, 10172373, 13563164, 20344746, 27126328, 40689492, 81378984]

約数ペア:

[(1, 81378984), (2, 40689492), (3, 27126328), (4, 20344746), (6, 13563164), (8, 10172373), (12, 6781582), (24, 3390791), (37, 2199432), (74, 1099716), (111, 733144), (113, 720168), (148, 549858), (222, 366572), (226, 360084), (296, 274929), (339, 240056), (444, 183286), (452, 180042), (678, 120028), (811, 100344), (888, 91643), (904, 90021), (1356, 60014), (1622, 50172), (2433, 33448), (2712, 30007), (3244, 25086), (4181, 19464), (4866, 16724), (6488, 12543), (8362, 9732)]