81665028

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 211463616

約数和(自身を除く): 129798588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 151, 166, 181, 249, 302, 332, 362, 453, 498, 543, 604, 724, 747, 906, 996, 1086, 1359, 1494, 1629, 1812, 2172, 2718, 2988, 3258, 5436, 6516, 12533, 15023, 25066, 27331, 30046, 37599, 45069, 50132, 54662, 60092, 75198, 81993, 90138, 109324, 112797, 135207, 150396, 163986, 180276, 225594, 245979, 270414, 327972, 451188, 491958, 540828, 983916, 2268473, 4536946, 6805419, 9073892, 13610838, 20416257, 27221676, 40832514, 81665028]

約数ペア:

[(1, 81665028), (2, 40832514), (3, 27221676), (4, 20416257), (6, 13610838), (9, 9073892), (12, 6805419), (18, 4536946), (36, 2268473), (83, 983916), (151, 540828), (166, 491958), (181, 451188), (249, 327972), (302, 270414), (332, 245979), (362, 225594), (453, 180276), (498, 163986), (543, 150396), (604, 135207), (724, 112797), (747, 109324), (906, 90138), (996, 81993), (1086, 75198), (1359, 60092), (1494, 54662), (1629, 50132), (1812, 45069), (2172, 37599), (2718, 30046), (2988, 27331), (3258, 25066), (5436, 15023), (6516, 12533)]