641880530

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1\times {\mathrm{2411}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 1173968640

約数和(自身を除く): 532088110

約数列:

[1, 2, 5, 10, 79, 158, 337, 395, 674, 790, 1685, 2411, 3370, 4822, 12055, 24110, 26623, 53246, 133115, 190469, 266230, 380938, 812507, 952345, 1625014, 1904690, 4062535, 8125070, 64188053, 128376106, 320940265, 641880530]

約数ペア:

[(1, 641880530), (2, 320940265), (5, 128376106), (10, 64188053), (79, 8125070), (158, 4062535), (337, 1904690), (395, 1625014), (674, 952345), (790, 812507), (1685, 380938), (2411, 266230), (3370, 190469), (4822, 133115), (12055, 53246), (24110, 26623)]