31191902

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 54792192

約数和(自身を除く): 23600290

約数列:

[1, 2, 7, 14, 97, 103, 194, 206, 223, 446, 679, 721, 1358, 1442, 1561, 3122, 9991, 19982, 21631, 22969, 43262, 45938, 69937, 139874, 151417, 160783, 302834, 321566, 2227993, 4455986, 15595951, 31191902]

約数ペア:

[(1, 31191902), (2, 15595951), (7, 4455986), (14, 2227993), (97, 321566), (103, 302834), (194, 160783), (206, 151417), (223, 139874), (446, 69937), (679, 45938), (721, 43262), (1358, 22969), (1442, 21631), (1561, 19982), (3122, 9991)]