1636992575

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 2124864000

約数和(自身を除く): 487871425

約数列:

[1, 5, 25, 67, 79, 89, 139, 335, 395, 445, 695, 1675, 1975, 2225, 3475, 5293, 5963, 7031, 9313, 10981, 12371, 26465, 29815, 35155, 46565, 54905, 61855, 132325, 149075, 175775, 232825, 274525, 309275, 471077, 735727, 828857, 977309, 2355385, 3678635, 4144285, 4886545, 11776925, 18393175, 20721425, 24432725, 65479703, 327398515, 1636992575]

約数ペア:

[(1, 1636992575), (5, 327398515), (25, 65479703), (67, 24432725), (79, 20721425), (89, 18393175), (139, 11776925), (335, 4886545), (395, 4144285), (445, 3678635), (695, 2355385), (1675, 977309), (1975, 828857), (2225, 735727), (3475, 471077), (5293, 309275), (5963, 274525), (7031, 232825), (9313, 175775), (10981, 149075), (12371, 132325), (26465, 61855), (29815, 54905), (35155, 46565)]