81488368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3467}}^1$

素因数の和:3601

約数の個数: 40

約数和(自身を含む): 171582768

約数和(自身を除く): 90094400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 904, 1469, 1808, 2938, 3467, 5876, 6934, 11752, 13868, 23504, 27736, 45071, 55472, 90142, 180284, 360568, 391771, 721136, 783542, 1567084, 3134168, 5093023, 6268336, 10186046, 20372092, 40744184, 81488368]

約数ペア:

[(1, 81488368), (2, 40744184), (4, 20372092), (8, 10186046), (13, 6268336), (16, 5093023), (26, 3134168), (52, 1567084), (104, 783542), (113, 721136), (208, 391771), (226, 360568), (452, 180284), (904, 90142), (1469, 55472), (1808, 45071), (2938, 27736), (3467, 23504), (5876, 13868), (6934, 11752)]