1645328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 3535488

約数和(自身を除く): 1890160

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 184, 263, 272, 368, 391, 526, 782, 1052, 1564, 2104, 3128, 4208, 4471, 6049, 6256, 8942, 12098, 17884, 24196, 35768, 48392, 71536, 96784, 102833, 205666, 411332, 822664, 1645328]

約数ペア:

[(1, 1645328), (2, 822664), (4, 411332), (8, 205666), (16, 102833), (17, 96784), (23, 71536), (34, 48392), (46, 35768), (68, 24196), (92, 17884), (136, 12098), (184, 8942), (263, 6256), (272, 6049), (368, 4471), (391, 4208), (526, 3128), (782, 2104), (1052, 1564)]