28205528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3433}}^1$

素因数の和:3531

約数の個数: 32

約数和(自身を含む): 57691200

約数和(自身を除く): 29485672

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 3433, 4108, 6866, 8216, 13732, 27464, 44629, 89258, 178516, 271207, 357032, 542414, 1084828, 2169656, 3525691, 7051382, 14102764, 28205528]

約数ペア:

[(1, 28205528), (2, 14102764), (4, 7051382), (8, 3525691), (13, 2169656), (26, 1084828), (52, 542414), (79, 357032), (104, 271207), (158, 178516), (316, 89258), (632, 44629), (1027, 27464), (2054, 13732), (3433, 8216), (4108, 6866)]