1640700216

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{990761}}^1$

素因数の和:990796

約数の個数: 48

約数和(自身を含む): 4636766160

約数和(自身を除く): 2996065944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 92, 138, 184, 207, 276, 414, 552, 828, 1656, 990761, 1981522, 2972283, 3963044, 5944566, 7926088, 8916849, 11889132, 17833698, 22787503, 23778264, 35667396, 45575006, 68362509, 71334792, 91150012, 136725018, 182300024, 205087527, 273450036, 410175054, 546900072, 820350108, 1640700216]

約数ペア:

[(1, 1640700216), (2, 820350108), (3, 546900072), (4, 410175054), (6, 273450036), (8, 205087527), (9, 182300024), (12, 136725018), (18, 91150012), (23, 71334792), (24, 68362509), (36, 45575006), (46, 35667396), (69, 23778264), (72, 22787503), (92, 17833698), (138, 11889132), (184, 8916849), (207, 7926088), (276, 5944566), (414, 3963044), (552, 2972283), (828, 1981522), (1656, 990761)]