1211972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 2298240

約数和(自身を除く): 1086268

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 431, 703, 862, 1406, 1724, 2812, 8189, 15947, 16378, 31894, 32756, 63788, 302993, 605986, 1211972]

約数ペア:

[(1, 1211972), (2, 605986), (4, 302993), (19, 63788), (37, 32756), (38, 31894), (74, 16378), (76, 15947), (148, 8189), (431, 2812), (703, 1724), (862, 1406)]