28291518

素因数分解:

$2^1\times 3^5\times {\mathrm{23}}^1\times {\mathrm{2531}}^1$

素因数の和:2571

約数の個数: 48

約数和(自身を含む): 66358656

約数和(自身を除く): 38067138

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 207, 243, 414, 486, 621, 1242, 1863, 2531, 3726, 5062, 5589, 7593, 11178, 15186, 22779, 45558, 58213, 68337, 116426, 136674, 174639, 205011, 349278, 410022, 523917, 615033, 1047834, 1230066, 1571751, 3143502, 4715253, 9430506, 14145759, 28291518]

約数ペア:

[(1, 28291518), (2, 14145759), (3, 9430506), (6, 4715253), (9, 3143502), (18, 1571751), (23, 1230066), (27, 1047834), (46, 615033), (54, 523917), (69, 410022), (81, 349278), (138, 205011), (162, 174639), (207, 136674), (243, 116426), (414, 68337), (486, 58213), (621, 45558), (1242, 22779), (1863, 15186), (2531, 11178), (3726, 7593), (5062, 5589)]