81857236

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{9043}}^1$

素因数の和:9151

約数の個数: 24

約数和(自身を含む): 149913344

約数和(自身を除く): 68056108

約数列:

[1, 2, 4, 31, 62, 73, 124, 146, 292, 2263, 4526, 9043, 9052, 18086, 36172, 280333, 560666, 660139, 1121332, 1320278, 2640556, 20464309, 40928618, 81857236]

約数ペア:

[(1, 81857236), (2, 40928618), (4, 20464309), (31, 2640556), (62, 1320278), (73, 1121332), (124, 660139), (146, 560666), (292, 280333), (2263, 36172), (4526, 18086), (9043, 9052)]