128499308

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{106727}}^1$

素因数の和:106781

約数の個数: 24

約数和(自身を含む): 262977792

約数和(自身を除く): 134478484

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 106727, 213454, 426908, 747089, 1494178, 2988356, 4589261, 9178522, 18357044, 32124827, 64249654, 128499308]

約数ペア:

[(1, 128499308), (2, 64249654), (4, 32124827), (7, 18357044), (14, 9178522), (28, 4589261), (43, 2988356), (86, 1494178), (172, 747089), (301, 426908), (602, 213454), (1204, 106727)]