313628816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{321341}}^1$

素因数の和:321410

約数の個数: 20

約数和(自身を含む): 617619324

約数和(自身を除く): 303990508

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 321341, 642682, 1285364, 2570728, 5141456, 19601801, 39203602, 78407204, 156814408, 313628816]

約数ペア:

[(1, 313628816), (2, 156814408), (4, 78407204), (8, 39203602), (16, 19601801), (61, 5141456), (122, 2570728), (244, 1285364), (488, 642682), (976, 321341)]