989828478

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{647}}^1\times {\mathrm{691}}^1$

素因数の和:1390

約数の個数: 64

約数和(自身を含む): 2260016640

約数和(自身を除く): 1270188162

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 82, 123, 246, 369, 647, 691, 738, 1107, 1294, 1382, 1941, 2073, 2214, 3882, 4146, 5823, 6219, 11646, 12438, 17469, 18657, 26527, 28331, 34938, 37314, 53054, 56662, 79581, 84993, 159162, 169986, 238743, 254979, 447077, 477486, 509958, 716229, 764937, 894154, 1341231, 1432458, 1529874, 2682462, 4023693, 8047386, 12071079, 18330157, 24142158, 36660314, 54990471, 109980942, 164971413, 329942826, 494914239, 989828478]

約数ペア:

[(1, 989828478), (2, 494914239), (3, 329942826), (6, 164971413), (9, 109980942), (18, 54990471), (27, 36660314), (41, 24142158), (54, 18330157), (82, 12071079), (123, 8047386), (246, 4023693), (369, 2682462), (647, 1529874), (691, 1432458), (738, 1341231), (1107, 894154), (1294, 764937), (1382, 716229), (1941, 509958), (2073, 477486), (2214, 447077), (3882, 254979), (4146, 238743), (5823, 169986), (6219, 159162), (11646, 84993), (12438, 79581), (17469, 56662), (18657, 53054), (26527, 37314), (28331, 34938)]