890351292

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{20789}}^1$

素因数の和:20922

約数の個数: 48

約数和(自身を含む): 2151515520

約数和(自身を除く): 1261164228

約数列:

[1, 2, 3, 4, 6, 12, 43, 83, 86, 129, 166, 172, 249, 258, 332, 498, 516, 996, 3569, 7138, 10707, 14276, 20789, 21414, 41578, 42828, 62367, 83156, 124734, 249468, 893927, 1725487, 1787854, 2681781, 3450974, 3575708, 5176461, 5363562, 6901948, 10352922, 10727124, 20705844, 74195941, 148391882, 222587823, 296783764, 445175646, 890351292]

約数ペア:

[(1, 890351292), (2, 445175646), (3, 296783764), (4, 222587823), (6, 148391882), (12, 74195941), (43, 20705844), (83, 10727124), (86, 10352922), (129, 6901948), (166, 5363562), (172, 5176461), (249, 3575708), (258, 3450974), (332, 2681781), (498, 1787854), (516, 1725487), (996, 893927), (3569, 249468), (7138, 124734), (10707, 83156), (14276, 62367), (20789, 42828), (21414, 41578)]