1221555248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2462813}}^1$

素因数の和:2462852

約数の個数: 20

約数和(自身を含む): 2443111488

約数和(自身を除く): 1221556240

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2462813, 4925626, 9851252, 19702504, 39405008, 76347203, 152694406, 305388812, 610777624, 1221555248]

約数ペア:

[(1, 1221555248), (2, 610777624), (4, 305388812), (8, 152694406), (16, 76347203), (31, 39405008), (62, 19702504), (124, 9851252), (248, 4925626), (496, 2462813)]