26659984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128173}}^1$

素因数の和:128194

約数の個数: 20

約数和(自身を含む): 55627516

約数和(自身を除く): 28967532

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128173, 256346, 512692, 1025384, 1666249, 2050768, 3332498, 6664996, 13329992, 26659984]

約数ペア:

[(1, 26659984), (2, 13329992), (4, 6664996), (8, 3332498), (13, 2050768), (16, 1666249), (26, 1025384), (52, 512692), (104, 256346), (208, 128173)]