51130768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245821}}^1$

素因数の和:245842

約数の個数: 20

約数和(自身を含む): 106686748

約数和(自身を除く): 55555980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245821, 491642, 983284, 1966568, 3195673, 3933136, 6391346, 12782692, 25565384, 51130768]

約数ペア:

[(1, 51130768), (2, 25565384), (4, 12782692), (8, 6391346), (13, 3933136), (16, 3195673), (26, 1966568), (52, 983284), (104, 491642), (208, 245821)]