636841556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1449

約数の個数: 72

約数和(自身を含む): 1317044736

約数和(自身を除く): 680203180

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 124, 221, 289, 403, 442, 527, 578, 806, 884, 1054, 1156, 1367, 1612, 2108, 2734, 3757, 5468, 6851, 7514, 8959, 13702, 15028, 17771, 17918, 23239, 27404, 35542, 35836, 42377, 46478, 71084, 84754, 92956, 116467, 169508, 232934, 302107, 395063, 465868, 550901, 604214, 720409, 790126, 1101802, 1208428, 1440818, 1580252, 2203604, 2881636, 5135819, 9365317, 10271638, 12246953, 18730634, 20543276, 24493906, 37461268, 48987812, 159210389, 318420778, 636841556]

約数ペア:

[(1, 636841556), (2, 318420778), (4, 159210389), (13, 48987812), (17, 37461268), (26, 24493906), (31, 20543276), (34, 18730634), (52, 12246953), (62, 10271638), (68, 9365317), (124, 5135819), (221, 2881636), (289, 2203604), (403, 1580252), (442, 1440818), (527, 1208428), (578, 1101802), (806, 790126), (884, 720409), (1054, 604214), (1156, 550901), (1367, 465868), (1612, 395063), (2108, 302107), (2734, 232934), (3757, 169508), (5468, 116467), (6851, 92956), (7514, 84754), (8959, 71084), (13702, 46478), (15028, 42377), (17771, 35836), (17918, 35542), (23239, 27404)]