5001997

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 7096320

約数和(自身を除く): 2094323

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 263, 1001, 1463, 1729, 1841, 2717, 2893, 3419, 4997, 19019, 20251, 23933, 34979, 37609, 54967, 64961, 263263, 384769, 454727, 714571, 5001997]

約数ペア:

[(1, 5001997), (7, 714571), (11, 454727), (13, 384769), (19, 263263), (77, 64961), (91, 54967), (133, 37609), (143, 34979), (209, 23933), (247, 20251), (263, 19019), (1001, 4997), (1463, 3419), (1729, 2893), (1841, 2717)]