245987728

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{70849}}^1$

素因数の和:70895

約数の個数: 40

約数和(自身を含む): 562265600

約数和(自身を除く): 316277872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 70849, 141698, 283396, 495943, 566792, 991886, 1133584, 1983772, 2196319, 3967544, 4392638, 7935088, 8785276, 15374233, 17570552, 30748466, 35141104, 61496932, 122993864, 245987728]

約数ペア:

[(1, 245987728), (2, 122993864), (4, 61496932), (7, 35141104), (8, 30748466), (14, 17570552), (16, 15374233), (28, 8785276), (31, 7935088), (56, 4392638), (62, 3967544), (112, 2196319), (124, 1983772), (217, 1133584), (248, 991886), (434, 566792), (496, 495943), (868, 283396), (1736, 141698), (3472, 70849)]