28849808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2617}}^1$

素因数の和:2691

約数の個数: 40

約数和(自身を含む): 61355448

約数和(自身を除く): 32505640

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2617, 2756, 5234, 5512, 10468, 11024, 20936, 34021, 41872, 68042, 136084, 138701, 272168, 277402, 544336, 554804, 1109608, 1803113, 2219216, 3606226, 7212452, 14424904, 28849808]

約数ペア:

[(1, 28849808), (2, 14424904), (4, 7212452), (8, 3606226), (13, 2219216), (16, 1803113), (26, 1109608), (52, 554804), (53, 544336), (104, 277402), (106, 272168), (208, 138701), (212, 136084), (424, 68042), (689, 41872), (848, 34021), (1378, 20936), (2617, 11024), (2756, 10468), (5234, 5512)]