1997578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 32

約数和(自身を含む): 3525120

約数和(自身を除く): 1527542

約数列:

[1, 2, 11, 22, 29, 31, 58, 62, 101, 202, 319, 341, 638, 682, 899, 1111, 1798, 2222, 2929, 3131, 5858, 6262, 9889, 19778, 32219, 34441, 64438, 68882, 90799, 181598, 998789, 1997578]

約数ペア:

[(1, 1997578), (2, 998789), (11, 181598), (22, 90799), (29, 68882), (31, 64438), (58, 34441), (62, 32219), (101, 19778), (202, 9889), (319, 6262), (341, 5858), (638, 3131), (682, 2929), (899, 2222), (1111, 1798)]