28409416

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^2\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 65248470

約数和(自身を除く): 36839054

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 137, 161, 184, 196, 274, 322, 392, 529, 548, 644, 959, 1058, 1096, 1127, 1288, 1918, 2116, 2254, 3151, 3703, 3836, 4232, 4508, 6302, 6713, 7406, 7672, 9016, 12604, 13426, 14812, 22057, 25208, 25921, 26852, 29624, 44114, 51842, 53704, 72473, 88228, 103684, 144946, 154399, 176456, 207368, 289892, 308798, 507311, 579784, 617596, 1014622, 1235192, 2029244, 3551177, 4058488, 7102354, 14204708, 28409416]

約数ペア:

[(1, 28409416), (2, 14204708), (4, 7102354), (7, 4058488), (8, 3551177), (14, 2029244), (23, 1235192), (28, 1014622), (46, 617596), (49, 579784), (56, 507311), (92, 308798), (98, 289892), (137, 207368), (161, 176456), (184, 154399), (196, 144946), (274, 103684), (322, 88228), (392, 72473), (529, 53704), (548, 51842), (644, 44114), (959, 29624), (1058, 26852), (1096, 25921), (1127, 25208), (1288, 22057), (1918, 14812), (2116, 13426), (2254, 12604), (3151, 9016), (3703, 7672), (3836, 7406), (4232, 6713), (4508, 6302)]