861308552816

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{223}}^1\times {\mathrm{977}}^1\times {\mathrm{1171}}^1$

素因数の和:2590

約数の個数: 80

約数和(自身を含む): 1687376667648

約数和(自身を除く): 826068114832

約数列:

[1, 2, 4, 8, 16, 211, 223, 422, 446, 844, 892, 977, 1171, 1688, 1784, 1954, 2342, 3376, 3568, 3908, 4684, 7816, 9368, 15632, 18736, 47053, 94106, 188212, 206147, 217871, 247081, 261133, 376424, 412294, 435742, 494162, 522266, 752848, 824588, 871484, 988324, 1044532, 1144067, 1649176, 1742968, 1976648, 2089064, 2288134, 3298352, 3485936, 3953296, 4178128, 4576268, 9152536, 18305072, 45970781, 55099063, 91941562, 110198126, 183883124, 220396252, 241398137, 255126941, 367766248, 440792504, 482796274, 510253882, 735532496, 881585008, 965592548, 1020507764, 1931185096, 2041015528, 3862370192, 4082031056, 53831784551, 107663569102, 215327138204, 430654276408, 861308552816]

約数ペア:

[(1, 861308552816), (2, 430654276408), (4, 215327138204), (8, 107663569102), (16, 53831784551), (211, 4082031056), (223, 3862370192), (422, 2041015528), (446, 1931185096), (844, 1020507764), (892, 965592548), (977, 881585008), (1171, 735532496), (1688, 510253882), (1784, 482796274), (1954, 440792504), (2342, 367766248), (3376, 255126941), (3568, 241398137), (3908, 220396252), (4684, 183883124), (7816, 110198126), (9368, 91941562), (15632, 55099063), (18736, 45970781), (47053, 18305072), (94106, 9152536), (188212, 4576268), (206147, 4178128), (217871, 3953296), (247081, 3485936), (261133, 3298352), (376424, 2288134), (412294, 2089064), (435742, 1976648), (494162, 1742968), (522266, 1649176), (752848, 1144067), (824588, 1044532), (871484, 988324)]