71244728

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:1035

約数の個数: 32

約数和(自身を含む): 136416000

約数和(自身を除く): 65171272

約数列:

[1, 2, 4, 8, 79, 139, 158, 278, 316, 556, 632, 811, 1112, 1622, 3244, 6488, 10981, 21962, 43924, 64069, 87848, 112729, 128138, 225458, 256276, 450916, 512552, 901832, 8905591, 17811182, 35622364, 71244728]

約数ペア:

[(1, 71244728), (2, 35622364), (4, 17811182), (8, 8905591), (79, 901832), (139, 512552), (158, 450916), (278, 256276), (316, 225458), (556, 128138), (632, 112729), (811, 87848), (1112, 64069), (1622, 43924), (3244, 21962), (6488, 10981)]