128511948

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{1297}}^1$

素因数の和:1686

約数の個数: 48

約数和(自身を含む): 314012160

約数和(自身を除く): 185500212

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 359, 718, 1077, 1297, 1436, 2154, 2594, 3891, 4308, 5188, 7782, 8257, 15564, 16514, 24771, 29831, 33028, 49542, 59662, 89493, 99084, 119324, 178986, 357972, 465623, 931246, 1396869, 1862492, 2793738, 5587476, 10709329, 21418658, 32127987, 42837316, 64255974, 128511948]

約数ペア:

[(1, 128511948), (2, 64255974), (3, 42837316), (4, 32127987), (6, 21418658), (12, 10709329), (23, 5587476), (46, 2793738), (69, 1862492), (92, 1396869), (138, 931246), (276, 465623), (359, 357972), (718, 178986), (1077, 119324), (1297, 99084), (1436, 89493), (2154, 59662), (2594, 49542), (3891, 33028), (4308, 29831), (5188, 24771), (7782, 16514), (8257, 15564)]