78574405

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 124992000

約数和(自身を除く): 46417595

約数列:

[1, 5, 7, 13, 19, 35, 61, 65, 91, 95, 133, 149, 247, 305, 427, 455, 665, 745, 793, 1043, 1159, 1235, 1729, 1937, 2135, 2831, 3965, 5215, 5551, 5795, 8113, 8645, 9089, 9685, 13559, 14155, 15067, 19817, 27755, 36803, 40565, 45445, 63623, 67795, 75335, 99085, 105469, 118157, 172691, 184015, 257621, 318115, 527345, 590785, 827099, 863455, 1208837, 1288105, 2244983, 4135495, 6044185, 11224915, 15714881, 78574405]

約数ペア:

[(1, 78574405), (5, 15714881), (7, 11224915), (13, 6044185), (19, 4135495), (35, 2244983), (61, 1288105), (65, 1208837), (91, 863455), (95, 827099), (133, 590785), (149, 527345), (247, 318115), (305, 257621), (427, 184015), (455, 172691), (665, 118157), (745, 105469), (793, 99085), (1043, 75335), (1159, 67795), (1235, 63623), (1729, 45445), (1937, 40565), (2135, 36803), (2831, 27755), (3965, 19817), (5215, 15067), (5551, 14155), (5795, 13559), (8113, 9685), (8645, 9089)]