259715248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1248631}}^1$

素因数の和:1248652

約数の個数: 20

約数和(自身を含む): 541906288

約数和(自身を除く): 282191040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1248631, 2497262, 4994524, 9989048, 16232203, 19978096, 32464406, 64928812, 129857624, 259715248]

約数ペア:

[(1, 259715248), (2, 129857624), (4, 64928812), (8, 32464406), (13, 19978096), (16, 16232203), (26, 9989048), (52, 4994524), (104, 2497262), (208, 1248631)]