644521128

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{506699}}^1$

素因数の和:506761

約数の個数: 32

約数和(自身を含む): 1641708000

約数和(自身を除く): 997186872

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 506699, 1013398, 1520097, 2026796, 3040194, 4053592, 6080388, 12160776, 26855047, 53710094, 80565141, 107420188, 161130282, 214840376, 322260564, 644521128]

約数ペア:

[(1, 644521128), (2, 322260564), (3, 214840376), (4, 161130282), (6, 107420188), (8, 80565141), (12, 53710094), (24, 26855047), (53, 12160776), (106, 6080388), (159, 4053592), (212, 3040194), (318, 2026796), (424, 1520097), (636, 1013398), (1272, 506699)]