80691556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 163215360

約数和(自身を除く): 82523804

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 263, 367, 418, 526, 734, 836, 1052, 1468, 2893, 4037, 4997, 5786, 6973, 8074, 9994, 11572, 13946, 16148, 19988, 27892, 54967, 76703, 96521, 109934, 153406, 193042, 219868, 306812, 386084, 1061731, 1833899, 2123462, 3667798, 4246924, 7335596, 20172889, 40345778, 80691556]

約数ペア:

[(1, 80691556), (2, 40345778), (4, 20172889), (11, 7335596), (19, 4246924), (22, 3667798), (38, 2123462), (44, 1833899), (76, 1061731), (209, 386084), (263, 306812), (367, 219868), (418, 193042), (526, 153406), (734, 109934), (836, 96521), (1052, 76703), (1468, 54967), (2893, 27892), (4037, 19988), (4997, 16148), (5786, 13946), (6973, 11572), (8074, 9994)]