161365036

素因数分解:

$2^2\times 7^3\times {\mathrm{337}}^1\times {\mathrm{349}}^1$

素因数の和:711

約数の個数: 48

約数和(自身を含む): 331240000

約数和(自身を除く): 169874964

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 337, 343, 349, 674, 686, 698, 1348, 1372, 1396, 2359, 2443, 4718, 4886, 9436, 9772, 16513, 17101, 33026, 34202, 66052, 68404, 115591, 117613, 119707, 231182, 235226, 239414, 462364, 470452, 478828, 823291, 1646582, 3293164, 5763037, 11526074, 23052148, 40341259, 80682518, 161365036]

約数ペア:

[(1, 161365036), (2, 80682518), (4, 40341259), (7, 23052148), (14, 11526074), (28, 5763037), (49, 3293164), (98, 1646582), (196, 823291), (337, 478828), (343, 470452), (349, 462364), (674, 239414), (686, 235226), (698, 231182), (1348, 119707), (1372, 117613), (1396, 115591), (2359, 68404), (2443, 66052), (4718, 34202), (4886, 33026), (9436, 17101), (9772, 16513)]