201838861

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 247267328

約数和(自身を除く): 45428467

約数列:

[1, 7, 31, 43, 97, 217, 223, 301, 679, 1333, 1561, 3007, 4171, 6913, 9331, 9589, 21049, 21631, 29197, 48391, 67123, 129301, 151417, 297259, 670561, 905107, 930133, 2080813, 4693927, 6510931, 28834123, 201838861]

約数ペア:

[(1, 201838861), (7, 28834123), (31, 6510931), (43, 4693927), (97, 2080813), (217, 930133), (223, 905107), (301, 670561), (679, 297259), (1333, 151417), (1561, 129301), (3007, 67123), (4171, 48391), (6913, 29197), (9331, 21631), (9589, 21049)]