80816918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23371}}^1$

素因数の和:23412

約数の個数: 32

約数和(自身を含む): 157059840

約数和(自身を除く): 76242922

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 23371, 46742, 163597, 303823, 327194, 444049, 607646, 888098, 2126761, 3108343, 4253522, 5772637, 6216686, 11545274, 40408459, 80816918]

約数ペア:

[(1, 80816918), (2, 40408459), (7, 11545274), (13, 6216686), (14, 5772637), (19, 4253522), (26, 3108343), (38, 2126761), (91, 888098), (133, 607646), (182, 444049), (247, 327194), (266, 303823), (494, 163597), (1729, 46742), (3458, 23371)]