28720584

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{10781}}^1$

素因数の和:10830

約数の個数: 48

約数和(自身を含む): 79894620

約数和(自身を除く): 51174036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 10781, 21562, 32343, 43124, 64686, 86248, 97029, 129372, 194058, 258744, 388116, 398897, 776232, 797794, 1196691, 1595588, 2393382, 3191176, 3590073, 4786764, 7180146, 9573528, 14360292, 28720584]

約数ペア:

[(1, 28720584), (2, 14360292), (3, 9573528), (4, 7180146), (6, 4786764), (8, 3590073), (9, 3191176), (12, 2393382), (18, 1595588), (24, 1196691), (36, 797794), (37, 776232), (72, 398897), (74, 388116), (111, 258744), (148, 194058), (222, 129372), (296, 97029), (333, 86248), (444, 64686), (666, 43124), (888, 32343), (1332, 21562), (2664, 10781)]