20180128072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4512551}}^1$

素因数の和:4512613

約数の個数: 32

約数和(自身を含む): 41695980480

約数和(自身を除く): 21515852408

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4512551, 9025102, 18050204, 36100408, 58663163, 117326326, 194039693, 234652652, 388079386, 469305304, 776158772, 1552317544, 2522516009, 5045032018, 10090064036, 20180128072]

約数ペア:

[(1, 20180128072), (2, 10090064036), (4, 5045032018), (8, 2522516009), (13, 1552317544), (26, 776158772), (43, 469305304), (52, 388079386), (86, 234652652), (104, 194039693), (172, 117326326), (344, 58663163), (559, 36100408), (1118, 18050204), (2236, 9025102), (4472, 4512551)]