289720988

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{617}}^1\times {\mathrm{1319}}^1$

素因数の和:2029

約数の個数: 24

約数和(自身を含む): 513928800

約数和(自身を除く): 224207812

約数列:

[1, 2, 4, 89, 178, 356, 617, 1234, 1319, 2468, 2638, 5276, 54913, 109826, 117391, 219652, 234782, 469564, 813823, 1627646, 3255292, 72430247, 144860494, 289720988]

約数ペア:

[(1, 289720988), (2, 144860494), (4, 72430247), (89, 3255292), (178, 1627646), (356, 813823), (617, 469564), (1234, 234782), (1319, 219652), (2468, 117391), (2638, 109826), (5276, 54913)]