217005552

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{65521}}^1$

素因数の和:65558

約数の個数: 60

約数和(自身を含む): 633728784

約数和(自身を除く): 416723232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 65521, 131042, 196563, 262084, 393126, 524168, 589689, 786252, 1048336, 1179378, 1506983, 1572504, 2358756, 3013966, 3145008, 4520949, 4717512, 6027932, 9041898, 9435024, 12055864, 13562847, 18083796, 24111728, 27125694, 36167592, 54251388, 72335184, 108502776, 217005552]

約数ペア:

[(1, 217005552), (2, 108502776), (3, 72335184), (4, 54251388), (6, 36167592), (8, 27125694), (9, 24111728), (12, 18083796), (16, 13562847), (18, 12055864), (23, 9435024), (24, 9041898), (36, 6027932), (46, 4717512), (48, 4520949), (69, 3145008), (72, 3013966), (92, 2358756), (138, 1572504), (144, 1506983), (184, 1179378), (207, 1048336), (276, 786252), (368, 589689), (414, 524168), (552, 393126), (828, 262084), (1104, 196563), (1656, 131042), (3312, 65521)]