71397904

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{18671}}^1$

素因数の和:18918

約数の個数: 20

約数和(自身を含む): 138919680

約数和(自身を除く): 67521776

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 18671, 37342, 74684, 149368, 298736, 4462369, 8924738, 17849476, 35698952, 71397904]

約数ペア:

[(1, 71397904), (2, 35698952), (4, 17849476), (8, 8924738), (16, 4462369), (239, 298736), (478, 149368), (956, 74684), (1912, 37342), (3824, 18671)]