28191982

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{811}}^1$

素因数の和:1024

約数の個数: 32

約数和(自身を含む): 52383744

約数和(自身を除く): 24191762

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 191, 382, 811, 1337, 1622, 2483, 2674, 4966, 5677, 10543, 11354, 17381, 21086, 34762, 73801, 147602, 154901, 309802, 1084307, 2013713, 2168614, 4027426, 14095991, 28191982]

約数ペア:

[(1, 28191982), (2, 14095991), (7, 4027426), (13, 2168614), (14, 2013713), (26, 1084307), (91, 309802), (182, 154901), (191, 147602), (382, 73801), (811, 34762), (1337, 21086), (1622, 17381), (2483, 11354), (2674, 10543), (4966, 5677)]