289887724

素因数分解:

$2^2\times 7^2\times {\mathrm{487}}^1\times {\mathrm{3037}}^1$

素因数の和:3542

約数の個数: 36

約数和(自身を含む): 591535056

約数和(自身を除く): 301647332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 487, 974, 1948, 3037, 3409, 6074, 6818, 12148, 13636, 21259, 23863, 42518, 47726, 85036, 95452, 148813, 297626, 595252, 1479019, 2958038, 5916076, 10353133, 20706266, 41412532, 72471931, 144943862, 289887724]

約数ペア:

[(1, 289887724), (2, 144943862), (4, 72471931), (7, 41412532), (14, 20706266), (28, 10353133), (49, 5916076), (98, 2958038), (196, 1479019), (487, 595252), (974, 297626), (1948, 148813), (3037, 95452), (3409, 85036), (6074, 47726), (6818, 42518), (12148, 23863), (13636, 21259)]