80879994

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{821}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 189398664

約数和(自身を除く): 108518670

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 421, 821, 842, 1263, 1642, 2463, 2526, 3789, 4926, 5473, 7389, 7578, 10673, 10946, 14778, 16419, 21346, 32019, 32838, 49257, 64038, 96057, 98514, 192114, 345641, 691282, 1036923, 2073846, 3110769, 4493333, 6221538, 8986666, 13479999, 26959998, 40439997, 80879994]

約数ペア:

[(1, 80879994), (2, 40439997), (3, 26959998), (6, 13479999), (9, 8986666), (13, 6221538), (18, 4493333), (26, 3110769), (39, 2073846), (78, 1036923), (117, 691282), (234, 345641), (421, 192114), (821, 98514), (842, 96057), (1263, 64038), (1642, 49257), (2463, 32838), (2526, 32019), (3789, 21346), (4926, 16419), (5473, 14778), (7389, 10946), (7578, 10673)]