1999399428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{4272221}}^1$

素因数の和:4272244

約数の個数: 36

約数和(自身を含む): 5442810828

約数和(自身を除く): 3443411400

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 4272221, 8544442, 12816663, 17088884, 25633326, 38449989, 51266652, 55538873, 76899978, 111077746, 153799956, 166616619, 222155492, 333233238, 499849857, 666466476, 999699714, 1999399428]

約数ペア:

[(1, 1999399428), (2, 999699714), (3, 666466476), (4, 499849857), (6, 333233238), (9, 222155492), (12, 166616619), (13, 153799956), (18, 111077746), (26, 76899978), (36, 55538873), (39, 51266652), (52, 38449989), (78, 25633326), (117, 17088884), (156, 12816663), (234, 8544442), (468, 4272221)]