308591205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 557383680

約数和(自身を除く): 248792475

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 71, 93, 155, 195, 213, 355, 403, 465, 719, 923, 1065, 1209, 2015, 2157, 2201, 2769, 3595, 4615, 6045, 6603, 9347, 10785, 11005, 13845, 22289, 28041, 28613, 33015, 46735, 51049, 66867, 85839, 111445, 140205, 143065, 153147, 255245, 289757, 334335, 429195, 663637, 765735, 869271, 1448785, 1582519, 1990911, 3318185, 4346355, 4747557, 7912595, 9954555, 20572747, 23737785, 61718241, 102863735, 308591205]

約数ペア:

[(1, 308591205), (3, 102863735), (5, 61718241), (13, 23737785), (15, 20572747), (31, 9954555), (39, 7912595), (65, 4747557), (71, 4346355), (93, 3318185), (155, 1990911), (195, 1582519), (213, 1448785), (355, 869271), (403, 765735), (465, 663637), (719, 429195), (923, 334335), (1065, 289757), (1209, 255245), (2015, 153147), (2157, 143065), (2201, 140205), (2769, 111445), (3595, 85839), (4615, 66867), (6045, 51049), (6603, 46735), (9347, 33015), (10785, 28613), (11005, 28041), (13845, 22289)]