85279285

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 136442880

約数和(自身を除く): 51163595

約数列:

[1, 5, 7, 13, 23, 29, 35, 65, 91, 115, 145, 161, 203, 281, 299, 377, 455, 667, 805, 1015, 1405, 1495, 1885, 1967, 2093, 2639, 3335, 3653, 4669, 6463, 8149, 8671, 9835, 10465, 13195, 18265, 23345, 25571, 32315, 40745, 43355, 45241, 57043, 60697, 84019, 105937, 127855, 187427, 226205, 285215, 303485, 420095, 529685, 588133, 741559, 937135, 1311989, 2436551, 2940665, 3707795, 6559945, 12182755, 17055857, 85279285]

約数ペア:

[(1, 85279285), (5, 17055857), (7, 12182755), (13, 6559945), (23, 3707795), (29, 2940665), (35, 2436551), (65, 1311989), (91, 937135), (115, 741559), (145, 588133), (161, 529685), (203, 420095), (281, 303485), (299, 285215), (377, 226205), (455, 187427), (667, 127855), (805, 105937), (1015, 84019), (1405, 60697), (1495, 57043), (1885, 45241), (1967, 43355), (2093, 40745), (2639, 32315), (3335, 25571), (3653, 23345), (4669, 18265), (6463, 13195), (8149, 10465), (8671, 9835)]