782420990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{233}}^1\times {\mathrm{1987}}^1$

素因数の和:2253

約数の個数: 48

約数和(自身を含む): 1532342448

約数和(自身を除く): 749921458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 233, 338, 466, 845, 1165, 1690, 1987, 2330, 3029, 3974, 6058, 9935, 15145, 19870, 25831, 30290, 39377, 51662, 78754, 129155, 196885, 258310, 335803, 393770, 462971, 671606, 925942, 1679015, 2314855, 3358030, 4629710, 6018623, 12037246, 30093115, 60186230, 78242099, 156484198, 391210495, 782420990]

約数ペア:

[(1, 782420990), (2, 391210495), (5, 156484198), (10, 78242099), (13, 60186230), (26, 30093115), (65, 12037246), (130, 6018623), (169, 4629710), (233, 3358030), (338, 2314855), (466, 1679015), (845, 925942), (1165, 671606), (1690, 462971), (1987, 393770), (2330, 335803), (3029, 258310), (3974, 196885), (6058, 129155), (9935, 78754), (15145, 51662), (19870, 39377), (25831, 30290)]