245870278

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{21317}}^1$

素因数の和:21471

約数の個数: 16

約数和(自身を含む): 378607680

約数和(自身を除く): 132737402

約数列:

[1, 2, 73, 79, 146, 158, 5767, 11534, 21317, 42634, 1556141, 1684043, 3112282, 3368086, 122935139, 245870278]

約数ペア:

[(1, 245870278), (2, 122935139), (73, 3368086), (79, 3112282), (146, 1684043), (158, 1556141), (5767, 42634), (11534, 21317)]