1997556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 5234880

約数和(自身を除く): 3237324

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 132, 148, 222, 407, 409, 444, 814, 818, 1221, 1227, 1628, 1636, 2442, 2454, 4499, 4884, 4908, 8998, 13497, 15133, 17996, 26994, 30266, 45399, 53988, 60532, 90798, 166463, 181596, 332926, 499389, 665852, 998778, 1997556]

約数ペア:

[(1, 1997556), (2, 998778), (3, 665852), (4, 499389), (6, 332926), (11, 181596), (12, 166463), (22, 90798), (33, 60532), (37, 53988), (44, 45399), (66, 30266), (74, 26994), (111, 17996), (132, 15133), (148, 13497), (222, 8998), (407, 4908), (409, 4884), (444, 4499), (814, 2454), (818, 2442), (1221, 1636), (1227, 1628)]