157332728

素因数分解:

$2^3\times 7^4\times {\mathrm{8191}}^1$

素因数の和:8225

約数の個数: 40

約数和(自身を含む): 344186880

約数和(自身を除く): 186854152

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4802, 8191, 9604, 16382, 19208, 32764, 57337, 65528, 114674, 229348, 401359, 458696, 802718, 1605436, 2809513, 3210872, 5619026, 11238052, 19666591, 22476104, 39333182, 78666364, 157332728]

約数ペア:

[(1, 157332728), (2, 78666364), (4, 39333182), (7, 22476104), (8, 19666591), (14, 11238052), (28, 5619026), (49, 3210872), (56, 2809513), (98, 1605436), (196, 802718), (343, 458696), (392, 401359), (686, 229348), (1372, 114674), (2401, 65528), (2744, 57337), (4802, 32764), (8191, 19208), (9604, 16382)]