215299056

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{640771}}^1$

素因数の和:640789

約数の個数: 40

約数和(自身を含む): 635645824

約数和(自身を除く): 420346768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 640771, 1281542, 1922313, 2563084, 3844626, 4485397, 5126168, 7689252, 8970794, 10252336, 13456191, 15378504, 17941588, 26912382, 30757008, 35883176, 53824764, 71766352, 107649528, 215299056]

約数ペア:

[(1, 215299056), (2, 107649528), (3, 71766352), (4, 53824764), (6, 35883176), (7, 30757008), (8, 26912382), (12, 17941588), (14, 15378504), (16, 13456191), (21, 10252336), (24, 8970794), (28, 7689252), (42, 5126168), (48, 4485397), (56, 3844626), (84, 2563084), (112, 1922313), (168, 1281542), (336, 640771)]