15691292140

素因数分解:

$2^2\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{644671}}^1$

素因数の和:645897

約数の個数: 24

約数和(自身を含む): 32978840832

約数和(自身を除く): 17287548692

約数列:

[1, 2, 4, 5, 10, 20, 1217, 2434, 4868, 6085, 12170, 24340, 644671, 1289342, 2578684, 3223355, 6446710, 12893420, 784564607, 1569129214, 3138258428, 3922823035, 7845646070, 15691292140]

約数ペア:

[(1, 15691292140), (2, 7845646070), (4, 3922823035), (5, 3138258428), (10, 1569129214), (20, 784564607), (1217, 12893420), (2434, 6446710), (4868, 3223355), (6085, 2578684), (12170, 1289342), (24340, 644671)]