71782672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{345109}}^1$

素因数の和:345130

約数の個数: 20

約数和(自身を含む): 149777740

約数和(自身を除く): 77995068

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 345109, 690218, 1380436, 2760872, 4486417, 5521744, 8972834, 17945668, 35891336, 71782672]

約数ペア:

[(1, 71782672), (2, 35891336), (4, 17945668), (8, 8972834), (13, 5521744), (16, 4486417), (26, 2760872), (52, 1380436), (104, 690218), (208, 345109)]