199984778

素因数分解:

$2^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{7879}}^1$

素因数の和:7939

約数の個数: 32

約数和(自身を含む): 359328000

約数和(自身を除く): 159343222

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 343, 518, 686, 1813, 3626, 7879, 12691, 15758, 25382, 55153, 110306, 291523, 386071, 583046, 772142, 2040661, 2702497, 4081322, 5404994, 14284627, 28569254, 99992389, 199984778]

約数ペア:

[(1, 199984778), (2, 99992389), (7, 28569254), (14, 14284627), (37, 5404994), (49, 4081322), (74, 2702497), (98, 2040661), (259, 772142), (343, 583046), (518, 386071), (686, 291523), (1813, 110306), (3626, 55153), (7879, 25382), (12691, 15758)]