219655904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1291}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 467213040

約数和(自身を除く): 247557136

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 409, 416, 818, 1291, 1636, 2582, 3272, 5164, 5317, 6544, 10328, 10634, 13088, 16783, 20656, 21268, 33566, 41312, 42536, 67132, 85072, 134264, 170144, 268528, 528019, 537056, 1056038, 2112076, 4224152, 6864247, 8448304, 13728494, 16896608, 27456988, 54913976, 109827952, 219655904]

約数ペア:

[(1, 219655904), (2, 109827952), (4, 54913976), (8, 27456988), (13, 16896608), (16, 13728494), (26, 8448304), (32, 6864247), (52, 4224152), (104, 2112076), (208, 1056038), (409, 537056), (416, 528019), (818, 268528), (1291, 170144), (1636, 134264), (2582, 85072), (3272, 67132), (5164, 42536), (5317, 41312), (6544, 33566), (10328, 21268), (10634, 20656), (13088, 16783)]