128428196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{3853}}^1$

素因数の和:4511

約数の個数: 24

約数和(自身を含む): 242478264

約数和(自身を除く): 114050068

約数列:

[1, 2, 4, 13, 26, 52, 641, 1282, 2564, 3853, 7706, 8333, 15412, 16666, 33332, 50089, 100178, 200356, 2469773, 4939546, 9879092, 32107049, 64214098, 128428196]

約数ペア:

[(1, 128428196), (2, 64214098), (4, 32107049), (13, 9879092), (26, 4939546), (52, 2469773), (641, 200356), (1282, 100178), (2564, 50089), (3853, 33332), (7706, 16666), (8333, 15412)]