3948999805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1\times {\mathrm{977}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 5043663360

約数和(自身を除く): 1094663555

約数列:

[1, 5, 19, 95, 157, 271, 785, 977, 1355, 2983, 4885, 5149, 14915, 18563, 25745, 42547, 92815, 153389, 212735, 264767, 766945, 808393, 1323835, 2914391, 4041965, 5030573, 14571955, 25152865, 41568419, 207842095, 789799961, 3948999805]

約数ペア:

[(1, 3948999805), (5, 789799961), (19, 207842095), (95, 41568419), (157, 25152865), (271, 14571955), (785, 5030573), (977, 4041965), (1355, 2914391), (2983, 1323835), (4885, 808393), (5149, 766945), (14915, 264767), (18563, 212735), (25745, 153389), (42547, 92815)]