254392437

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 407151360

約数和(自身を除く): 152758923

約数列:

[1, 3, 13, 17, 29, 39, 51, 87, 101, 131, 221, 303, 377, 393, 493, 663, 1131, 1313, 1479, 1703, 1717, 2227, 2929, 3799, 3939, 5109, 5151, 6409, 6681, 8787, 11397, 13231, 19227, 22321, 28951, 38077, 39693, 49387, 49793, 64583, 66963, 86853, 114231, 148161, 149379, 172003, 193749, 224927, 383699, 516009, 647309, 674781, 839579, 1151097, 1941927, 2518737, 2924051, 4988087, 6522883, 8772153, 14964261, 19568649, 84797479, 254392437]

約数ペア:

[(1, 254392437), (3, 84797479), (13, 19568649), (17, 14964261), (29, 8772153), (39, 6522883), (51, 4988087), (87, 2924051), (101, 2518737), (131, 1941927), (221, 1151097), (303, 839579), (377, 674781), (393, 647309), (493, 516009), (663, 383699), (1131, 224927), (1313, 193749), (1479, 172003), (1703, 149379), (1717, 148161), (2227, 114231), (2929, 86853), (3799, 66963), (3939, 64583), (5109, 49793), (5151, 49387), (6409, 39693), (6681, 38077), (8787, 28951), (11397, 22321), (13231, 19227)]