201989416

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{1187}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 384912000

約数和(自身を除く): 182922584

約数列:

[1, 2, 4, 8, 89, 178, 239, 356, 478, 712, 956, 1187, 1912, 2374, 4748, 9496, 21271, 42542, 85084, 105643, 170168, 211286, 283693, 422572, 567386, 845144, 1134772, 2269544, 25248677, 50497354, 100994708, 201989416]

約数ペア:

[(1, 201989416), (2, 100994708), (4, 50497354), (8, 25248677), (89, 2269544), (178, 1134772), (239, 845144), (356, 567386), (478, 422572), (712, 283693), (956, 211286), (1187, 170168), (1912, 105643), (2374, 85084), (4748, 42542), (9496, 21271)]