138540416

素因数分解:

$2^7\times 7^1\times {\mathrm{154621}}^1$

素因数の和:154642

約数の個数: 32

約数和(自身を含む): 315428880

約数和(自身を除く): 176888464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 154621, 309242, 618484, 1082347, 1236968, 2164694, 2473936, 4329388, 4947872, 8658776, 9895744, 17317552, 19791488, 34635104, 69270208, 138540416]

約数ペア:

[(1, 138540416), (2, 69270208), (4, 34635104), (7, 19791488), (8, 17317552), (14, 9895744), (16, 8658776), (28, 4947872), (32, 4329388), (56, 2473936), (64, 2164694), (112, 1236968), (128, 1082347), (224, 618484), (448, 309242), (896, 154621)]