248830868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 520803360

約数和(自身を除く): 271972492

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 109, 143, 169, 218, 286, 307, 338, 436, 572, 614, 676, 1199, 1228, 1417, 1859, 2398, 2834, 3377, 3718, 3991, 4796, 5668, 6754, 7436, 7982, 13508, 15587, 15964, 18421, 31174, 33463, 36842, 43901, 51883, 62348, 66926, 73684, 87802, 103766, 133852, 175604, 202631, 207532, 368093, 405262, 435019, 570713, 736186, 810524, 870038, 1141426, 1472372, 1740076, 2282852, 4785209, 5655247, 9570418, 11310494, 19140836, 22620988, 62207717, 124415434, 248830868]

約数ペア:

[(1, 248830868), (2, 124415434), (4, 62207717), (11, 22620988), (13, 19140836), (22, 11310494), (26, 9570418), (44, 5655247), (52, 4785209), (109, 2282852), (143, 1740076), (169, 1472372), (218, 1141426), (286, 870038), (307, 810524), (338, 736186), (436, 570713), (572, 435019), (614, 405262), (676, 368093), (1199, 207532), (1228, 202631), (1417, 175604), (1859, 133852), (2398, 103766), (2834, 87802), (3377, 73684), (3718, 66926), (3991, 62348), (4796, 51883), (5668, 43901), (6754, 36842), (7436, 33463), (7982, 31174), (13508, 18421), (15587, 15964)]