138640208

素因数分解:

$2^4\times 7^2\times {\mathrm{181}}^1\times {\mathrm{977}}^1$

素因数の和:1180

約数の個数: 60

約数和(自身を含む): 314518932

約数和(自身を除く): 175878724

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 181, 196, 362, 392, 724, 784, 977, 1267, 1448, 1954, 2534, 2896, 3908, 5068, 6839, 7816, 8869, 10136, 13678, 15632, 17738, 20272, 27356, 35476, 47873, 54712, 70952, 95746, 109424, 141904, 176837, 191492, 353674, 382984, 707348, 765968, 1237859, 1414696, 2475718, 2829392, 4951436, 8665013, 9902872, 17330026, 19805744, 34660052, 69320104, 138640208]

約数ペア:

[(1, 138640208), (2, 69320104), (4, 34660052), (7, 19805744), (8, 17330026), (14, 9902872), (16, 8665013), (28, 4951436), (49, 2829392), (56, 2475718), (98, 1414696), (112, 1237859), (181, 765968), (196, 707348), (362, 382984), (392, 353674), (724, 191492), (784, 176837), (977, 141904), (1267, 109424), (1448, 95746), (1954, 70952), (2534, 54712), (2896, 47873), (3908, 35476), (5068, 27356), (6839, 20272), (7816, 17738), (8869, 15632), (10136, 13678)]