309411248

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{20123}}^1$

素因数の和:20193

約数の個数: 30

約数和(自身を含む): 619477092

約数和(自身を除く): 310065844

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1922, 3844, 7688, 15376, 20123, 40246, 80492, 160984, 321968, 623813, 1247626, 2495252, 4990504, 9981008, 19338203, 38676406, 77352812, 154705624, 309411248]

約数ペア:

[(1, 309411248), (2, 154705624), (4, 77352812), (8, 38676406), (16, 19338203), (31, 9981008), (62, 4990504), (124, 2495252), (248, 1247626), (496, 623813), (961, 321968), (1922, 160984), (3844, 80492), (7688, 40246), (15376, 20123)]