129441008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{4003}}^1$

素因数の和:4101

約数の個数: 40

約数和(自身を含む): 262149888

約数和(自身を除く): 132708880

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 4003, 4042, 8006, 8084, 16012, 16168, 32024, 32336, 64048, 172129, 188141, 344258, 376282, 688516, 752564, 1377032, 1505128, 2754064, 3010256, 8090063, 16180126, 32360252, 64720504, 129441008]

約数ペア:

[(1, 129441008), (2, 64720504), (4, 32360252), (8, 16180126), (16, 8090063), (43, 3010256), (47, 2754064), (86, 1505128), (94, 1377032), (172, 752564), (188, 688516), (344, 376282), (376, 344258), (688, 188141), (752, 172129), (2021, 64048), (4003, 32336), (4042, 32024), (8006, 16168), (8084, 16012)]