1664556

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 4187904

約数和(自身を除く): 2523348

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 74, 92, 111, 138, 148, 163, 222, 276, 326, 444, 489, 652, 851, 978, 1702, 1956, 2553, 3404, 3749, 5106, 6031, 7498, 10212, 11247, 12062, 14996, 18093, 22494, 24124, 36186, 44988, 72372, 138713, 277426, 416139, 554852, 832278, 1664556]

約数ペア:

[(1, 1664556), (2, 832278), (3, 554852), (4, 416139), (6, 277426), (12, 138713), (23, 72372), (37, 44988), (46, 36186), (69, 24124), (74, 22494), (92, 18093), (111, 14996), (138, 12062), (148, 11247), (163, 10212), (222, 7498), (276, 6031), (326, 5106), (444, 3749), (489, 3404), (652, 2553), (851, 1956), (978, 1702)]