890894264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{443}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 1838319840

約数和(自身を除く): 947425576

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 104, 122, 244, 317, 443, 488, 634, 793, 886, 1268, 1586, 1772, 2536, 3172, 3544, 4121, 5759, 6344, 8242, 11518, 16484, 19337, 23036, 27023, 32968, 38674, 46072, 54046, 77348, 108092, 140431, 154696, 216184, 251381, 280862, 351299, 502762, 561724, 702598, 1005524, 1123448, 1405196, 1825603, 2011048, 2810392, 3651206, 7302412, 8566291, 14604824, 17132582, 34265164, 68530328, 111361783, 222723566, 445447132, 890894264]

約数ペア:

[(1, 890894264), (2, 445447132), (4, 222723566), (8, 111361783), (13, 68530328), (26, 34265164), (52, 17132582), (61, 14604824), (104, 8566291), (122, 7302412), (244, 3651206), (317, 2810392), (443, 2011048), (488, 1825603), (634, 1405196), (793, 1123448), (886, 1005524), (1268, 702598), (1586, 561724), (1772, 502762), (2536, 351299), (3172, 280862), (3544, 251381), (4121, 216184), (5759, 154696), (6344, 140431), (8242, 108092), (11518, 77348), (16484, 54046), (19337, 46072), (23036, 38674), (27023, 32968)]