280421544

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{898787}}^1$

素因数の和:898809

約数の個数: 32

約数和(自身を含む): 754981920

約数和(自身を除く): 474560376

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 898787, 1797574, 2696361, 3595148, 5392722, 7190296, 10785444, 11684231, 21570888, 23368462, 35052693, 46736924, 70105386, 93473848, 140210772, 280421544]

約数ペア:

[(1, 280421544), (2, 140210772), (3, 93473848), (4, 70105386), (6, 46736924), (8, 35052693), (12, 23368462), (13, 21570888), (24, 11684231), (26, 10785444), (39, 7190296), (52, 5392722), (78, 3595148), (104, 2696361), (156, 1797574), (312, 898787)]