218852478

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{2083}}^1$

素因数の和:2553

約数の個数: 48

約数和(自身を含む): 512038800

約数和(自身を除く): 293186322

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 449, 898, 1347, 2083, 2694, 4041, 4166, 5837, 6249, 8082, 11674, 12498, 17511, 18747, 27079, 35022, 37494, 52533, 54158, 81237, 105066, 162474, 243711, 487422, 935267, 1870534, 2805801, 5611602, 8417403, 12158471, 16834806, 24316942, 36475413, 72950826, 109426239, 218852478]

約数ペア:

[(1, 218852478), (2, 109426239), (3, 72950826), (6, 36475413), (9, 24316942), (13, 16834806), (18, 12158471), (26, 8417403), (39, 5611602), (78, 2805801), (117, 1870534), (234, 935267), (449, 487422), (898, 243711), (1347, 162474), (2083, 105066), (2694, 81237), (4041, 54158), (4166, 52533), (5837, 37494), (6249, 35022), (8082, 27079), (11674, 18747), (12498, 17511)]