80778386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1619}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 138801600

約数和(自身を除く): 58023214

約数列:

[1, 2, 13, 19, 26, 38, 101, 202, 247, 494, 1313, 1619, 1919, 2626, 3238, 3838, 21047, 24947, 30761, 42094, 49894, 61522, 163519, 327038, 399893, 799786, 2125747, 3106861, 4251494, 6213722, 40389193, 80778386]

約数ペア:

[(1, 80778386), (2, 40389193), (13, 6213722), (19, 4251494), (26, 3106861), (38, 2125747), (101, 799786), (202, 399893), (247, 327038), (494, 163519), (1313, 61522), (1619, 49894), (1919, 42094), (2626, 30761), (3238, 24947), (3838, 21047)]