721942016

素因数分解:

$2^9\times {\mathrm{1410043}}^1$

素因数の和:1410061

約数の個数: 20

約数和(自身を含む): 1442475012

約数和(自身を除く): 720532996

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1410043, 2820086, 5640172, 11280344, 22560688, 45121376, 90242752, 180485504, 360971008, 721942016]

約数ペア:

[(1, 721942016), (2, 360971008), (4, 180485504), (8, 90242752), (16, 45121376), (32, 22560688), (64, 11280344), (128, 5640172), (256, 2820086), (512, 1410043)]