28856776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3343}}^1$

素因数の和:3445

約数の個数: 32

約数和(自身を含む): 58988160

約数和(自身を除く): 30131384

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 3343, 4316, 6686, 8632, 13372, 26744, 43459, 86918, 173836, 277469, 347672, 554938, 1109876, 2219752, 3607097, 7214194, 14428388, 28856776]

約数ペア:

[(1, 28856776), (2, 14428388), (4, 7214194), (8, 3607097), (13, 2219752), (26, 1109876), (52, 554938), (83, 347672), (104, 277469), (166, 173836), (332, 86918), (664, 43459), (1079, 26744), (2158, 13372), (3343, 8632), (4316, 6686)]