225111964

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1787}}^1$

素因数の和:2218

約数の個数: 48

約数和(自身を含む): 492629760

約数和(自身を除く): 267517796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 409, 818, 1636, 1787, 2863, 3574, 4499, 5726, 7148, 8998, 11452, 12509, 17996, 19657, 25018, 31493, 39314, 50036, 62986, 78628, 125972, 137599, 275198, 550396, 730883, 1461766, 2923532, 5116181, 8039713, 10232362, 16079426, 20464724, 32158852, 56277991, 112555982, 225111964]

約数ペア:

[(1, 225111964), (2, 112555982), (4, 56277991), (7, 32158852), (11, 20464724), (14, 16079426), (22, 10232362), (28, 8039713), (44, 5116181), (77, 2923532), (154, 1461766), (308, 730883), (409, 550396), (818, 275198), (1636, 137599), (1787, 125972), (2863, 78628), (3574, 62986), (4499, 50036), (5726, 39314), (7148, 31493), (8998, 25018), (11452, 19657), (12509, 17996)]