28336568

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{20959}}^1$

素因数の和:20991

約数の個数: 24

約数和(自身を含む): 57535200

約数和(自身を除く): 29198632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 20959, 41918, 83836, 167672, 272467, 544934, 1089868, 2179736, 3542071, 7084142, 14168284, 28336568]

約数ペア:

[(1, 28336568), (2, 14168284), (4, 7084142), (8, 3542071), (13, 2179736), (26, 1089868), (52, 544934), (104, 272467), (169, 167672), (338, 83836), (676, 41918), (1352, 20959)]