128167728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{205397}}^1$

素因数の和:205421

約数の個数: 40

約数和(自身を含む): 356570928

約数和(自身を除く): 228403200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 205397, 410794, 616191, 821588, 1232382, 1643176, 2464764, 2670161, 3286352, 4929528, 5340322, 8010483, 9859056, 10680644, 16020966, 21361288, 32041932, 42722576, 64083864, 128167728]

約数ペア:

[(1, 128167728), (2, 64083864), (3, 42722576), (4, 32041932), (6, 21361288), (8, 16020966), (12, 10680644), (13, 9859056), (16, 8010483), (24, 5340322), (26, 4929528), (39, 3286352), (48, 2670161), (52, 2464764), (78, 1643176), (104, 1232382), (156, 821588), (208, 616191), (312, 410794), (624, 205397)]