278360478

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{20983}}^1$

素因数の和:21069

約数の個数: 48

約数和(自身を含む): 667794816

約数和(自身を除く): 389434338

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 67, 99, 134, 198, 201, 402, 603, 737, 1206, 1474, 2211, 4422, 6633, 13266, 20983, 41966, 62949, 125898, 188847, 230813, 377694, 461626, 692439, 1384878, 1405861, 2077317, 2811722, 4154634, 4217583, 8435166, 12652749, 15464471, 25305498, 30928942, 46393413, 92786826, 139180239, 278360478]

約数ペア:

[(1, 278360478), (2, 139180239), (3, 92786826), (6, 46393413), (9, 30928942), (11, 25305498), (18, 15464471), (22, 12652749), (33, 8435166), (66, 4217583), (67, 4154634), (99, 2811722), (134, 2077317), (198, 1405861), (201, 1384878), (402, 692439), (603, 461626), (737, 377694), (1206, 230813), (1474, 188847), (2211, 125898), (4422, 62949), (6633, 41966), (13266, 20983)]