1279593872

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{557}}^1\times {\mathrm{2143}}^1$

素因数の和:2775

約数の個数: 40

約数和(自身を含む): 2521910016

約数和(自身を除く): 1242316144

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 557, 1072, 1114, 2143, 2228, 4286, 4456, 8572, 8912, 17144, 34288, 37319, 74638, 143581, 149276, 287162, 298552, 574324, 597104, 1148648, 1193651, 2297296, 2387302, 4774604, 9549208, 19098416, 79974617, 159949234, 319898468, 639796936, 1279593872]

約数ペア:

[(1, 1279593872), (2, 639796936), (4, 319898468), (8, 159949234), (16, 79974617), (67, 19098416), (134, 9549208), (268, 4774604), (536, 2387302), (557, 2297296), (1072, 1193651), (1114, 1148648), (2143, 597104), (2228, 574324), (4286, 298552), (4456, 287162), (8572, 149276), (8912, 143581), (17144, 74638), (34288, 37319)]