1288396984

素因数分解:

$2^3\times 7^2\times {\mathrm{167}}^1\times {\mathrm{19681}}^1$

素因数の和:19868

約数の個数: 48

約数和(自身を含む): 2827122480

約数和(自身を除く): 1538725496

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 167, 196, 334, 392, 668, 1169, 1336, 2338, 4676, 8183, 9352, 16366, 19681, 32732, 39362, 65464, 78724, 137767, 157448, 275534, 551068, 964369, 1102136, 1928738, 3286727, 3857476, 6573454, 7714952, 13146908, 23007089, 26293816, 46014178, 92028356, 161049623, 184056712, 322099246, 644198492, 1288396984]

約数ペア:

[(1, 1288396984), (2, 644198492), (4, 322099246), (7, 184056712), (8, 161049623), (14, 92028356), (28, 46014178), (49, 26293816), (56, 23007089), (98, 13146908), (167, 7714952), (196, 6573454), (334, 3857476), (392, 3286727), (668, 1928738), (1169, 1102136), (1336, 964369), (2338, 551068), (4676, 275534), (8183, 157448), (9352, 137767), (16366, 78724), (19681, 65464), (32732, 39362)]