256410522

素因数分解:

$2^1\times 3^4\times {\mathrm{317}}^1\times {\mathrm{4993}}^1$

素因数の和:5324

約数の個数: 40

約数和(自身を含む): 576477396

約数和(自身を除く): 320066874

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 317, 634, 951, 1902, 2853, 4993, 5706, 8559, 9986, 14979, 17118, 25677, 29958, 44937, 51354, 89874, 134811, 269622, 404433, 808866, 1582781, 3165562, 4748343, 9496686, 14245029, 28490058, 42735087, 85470174, 128205261, 256410522]

約数ペア:

[(1, 256410522), (2, 128205261), (3, 85470174), (6, 42735087), (9, 28490058), (18, 14245029), (27, 9496686), (54, 4748343), (81, 3165562), (162, 1582781), (317, 808866), (634, 404433), (951, 269622), (1902, 134811), (2853, 89874), (4993, 51354), (5706, 44937), (8559, 29958), (9986, 25677), (14979, 17118)]