128453208

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{411709}}^1$

素因数の和:411731

約数の個数: 32

約数和(自身を含む): 345836400

約数和(自身を除く): 217383192

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 411709, 823418, 1235127, 1646836, 2470254, 3293672, 4940508, 5352217, 9881016, 10704434, 16056651, 21408868, 32113302, 42817736, 64226604, 128453208]

約数ペア:

[(1, 128453208), (2, 64226604), (3, 42817736), (4, 32113302), (6, 21408868), (8, 16056651), (12, 10704434), (13, 9881016), (24, 5352217), (26, 4940508), (39, 3293672), (52, 2470254), (78, 1646836), (104, 1235127), (156, 823418), (312, 411709)]