81121752

素因数分解:

$2^3\times 3^2\times {\mathrm{419}}^1\times {\mathrm{2689}}^1$

素因数の和:3120

約数の個数: 48

約数和(自身を含む): 220311000

約数和(自身を除く): 139189248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 419, 838, 1257, 1676, 2514, 2689, 3352, 3771, 5028, 5378, 7542, 8067, 10056, 10756, 15084, 16134, 21512, 24201, 30168, 32268, 48402, 64536, 96804, 193608, 1126691, 2253382, 3380073, 4506764, 6760146, 9013528, 10140219, 13520292, 20280438, 27040584, 40560876, 81121752]

約数ペア:

[(1, 81121752), (2, 40560876), (3, 27040584), (4, 20280438), (6, 13520292), (8, 10140219), (9, 9013528), (12, 6760146), (18, 4506764), (24, 3380073), (36, 2253382), (72, 1126691), (419, 193608), (838, 96804), (1257, 64536), (1676, 48402), (2514, 32268), (2689, 30168), (3352, 24201), (3771, 21512), (5028, 16134), (5378, 15084), (7542, 10756), (8067, 10056)]