78350128

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2423}}^1$

素因数の和:2521

約数の個数: 40

約数和(自身を含む): 158704128

約数和(自身を除く): 80354000

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 688, 752, 2021, 2423, 4042, 4846, 8084, 9692, 16168, 19384, 32336, 38768, 104189, 113881, 208378, 227762, 416756, 455524, 833512, 911048, 1667024, 1822096, 4896883, 9793766, 19587532, 39175064, 78350128]

約数ペア:

[(1, 78350128), (2, 39175064), (4, 19587532), (8, 9793766), (16, 4896883), (43, 1822096), (47, 1667024), (86, 911048), (94, 833512), (172, 455524), (188, 416756), (344, 227762), (376, 208378), (688, 113881), (752, 104189), (2021, 38768), (2423, 32336), (4042, 19384), (4846, 16168), (8084, 9692)]