639794312

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{977}}^1\times {\mathrm{3559}}^1$

素因数の和:4565

約数の個数: 32

約数和(自身を含む): 1253404800

約数和(自身を除く): 613610488

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 977, 1954, 3559, 3908, 7118, 7816, 14236, 22471, 28472, 44942, 81857, 89884, 163714, 179768, 327428, 654856, 3477143, 6954286, 13908572, 27817144, 79974289, 159948578, 319897156, 639794312]

約数ペア:

[(1, 639794312), (2, 319897156), (4, 159948578), (8, 79974289), (23, 27817144), (46, 13908572), (92, 6954286), (184, 3477143), (977, 654856), (1954, 327428), (3559, 179768), (3908, 163714), (7118, 89884), (7816, 81857), (14236, 44942), (22471, 28472)]