25970776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 55440000

約数和(自身を除く): 29469224

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 79, 104, 109, 116, 158, 218, 232, 316, 377, 436, 632, 754, 872, 1027, 1417, 1508, 2054, 2291, 2834, 3016, 3161, 4108, 4582, 5668, 6322, 8216, 8611, 9164, 11336, 12644, 17222, 18328, 25288, 29783, 34444, 41093, 59566, 68888, 82186, 111943, 119132, 164372, 223886, 238264, 249719, 328744, 447772, 499438, 895544, 998876, 1997752, 3246347, 6492694, 12985388, 25970776]

約数ペア:

[(1, 25970776), (2, 12985388), (4, 6492694), (8, 3246347), (13, 1997752), (26, 998876), (29, 895544), (52, 499438), (58, 447772), (79, 328744), (104, 249719), (109, 238264), (116, 223886), (158, 164372), (218, 119132), (232, 111943), (316, 82186), (377, 68888), (436, 59566), (632, 41093), (754, 34444), (872, 29783), (1027, 25288), (1417, 18328), (1508, 17222), (2054, 12644), (2291, 11336), (2834, 9164), (3016, 8611), (3161, 8216), (4108, 6322), (4582, 5668)]