81130504

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{111443}}^1$

素因数の和:111469

約数の個数: 32

約数和(自身を含む): 187225920

約数和(自身を除く): 106095416

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 111443, 222886, 445772, 780101, 891544, 1448759, 1560202, 2897518, 3120404, 5795036, 6240808, 10141313, 11590072, 20282626, 40565252, 81130504]

約数ペア:

[(1, 81130504), (2, 40565252), (4, 20282626), (7, 11590072), (8, 10141313), (13, 6240808), (14, 5795036), (26, 3120404), (28, 2897518), (52, 1560202), (56, 1448759), (91, 891544), (104, 780101), (182, 445772), (364, 222886), (728, 111443)]