251054865985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1\times {\mathrm{11699}}^1$

素因数の和:12262

約数の個数: 64

約数和(自身を含む): 379282176000

約数和(自身を除く): 128227310015

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 385, 401, 695, 973, 1529, 2005, 2807, 4411, 4865, 7645, 10703, 11699, 14035, 22055, 30877, 53515, 55739, 58495, 81893, 128689, 154385, 278695, 390173, 409465, 613129, 643445, 900823, 1626161, 1950865, 3065645, 4291903, 4504115, 4691299, 8130805, 11383127, 17887771, 21459515, 23456495, 32839093, 51604289, 56915635, 89438855, 125214397, 164195465, 258021445, 361230023, 626071985, 652090561, 1806150115, 3260452805, 4564633927, 7172996171, 22823169635, 35864980855, 50210973197, 251054865985]

約数ペア:

[(1, 251054865985), (5, 50210973197), (7, 35864980855), (11, 22823169635), (35, 7172996171), (55, 4564633927), (77, 3260452805), (139, 1806150115), (385, 652090561), (401, 626071985), (695, 361230023), (973, 258021445), (1529, 164195465), (2005, 125214397), (2807, 89438855), (4411, 56915635), (4865, 51604289), (7645, 32839093), (10703, 23456495), (11699, 21459515), (14035, 17887771), (22055, 11383127), (30877, 8130805), (53515, 4691299), (55739, 4504115), (58495, 4291903), (81893, 3065645), (128689, 1950865), (154385, 1626161), (278695, 900823), (390173, 643445), (409465, 613129)]