991316146

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{2857}}^1$

素因数の和:3298

約数の個数: 32

約数和(自身を含む): 1637976960

約数和(自身を除く): 646660814

約数列:

[1, 2, 19, 23, 38, 46, 397, 437, 794, 874, 2857, 5714, 7543, 9131, 15086, 18262, 54283, 65711, 108566, 131422, 173489, 346978, 1134229, 1248509, 2268458, 2497018, 21550351, 26087267, 43100702, 52174534, 495658073, 991316146]

約数ペア:

[(1, 991316146), (2, 495658073), (19, 52174534), (23, 43100702), (38, 26087267), (46, 21550351), (397, 2497018), (437, 2268458), (794, 1248509), (874, 1134229), (2857, 346978), (5714, 173489), (7543, 131422), (9131, 108566), (15086, 65711), (18262, 54283)]