25768496

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123887}}^1$

素因数の和:123908

約数の個数: 20

約数和(自身を含む): 53767392

約数和(自身を除く): 27998896

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123887, 247774, 495548, 991096, 1610531, 1982192, 3221062, 6442124, 12884248, 25768496]

約数ペア:

[(1, 25768496), (2, 12884248), (4, 6442124), (8, 3221062), (13, 1982192), (16, 1610531), (26, 991096), (52, 495548), (104, 247774), (208, 123887)]