28019784

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2950

約数の個数: 64

約数和(自身を含む): 77898240

約数和(自身を除く): 49878456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2418, 2897, 3224, 4836, 5794, 8691, 9672, 11588, 17382, 23176, 34764, 37661, 69528, 75322, 89807, 112983, 150644, 179614, 225966, 269421, 301288, 359228, 451932, 538842, 718456, 903864, 1077684, 1167491, 2155368, 2334982, 3502473, 4669964, 7004946, 9339928, 14009892, 28019784]

約数ペア:

[(1, 28019784), (2, 14009892), (3, 9339928), (4, 7004946), (6, 4669964), (8, 3502473), (12, 2334982), (13, 2155368), (24, 1167491), (26, 1077684), (31, 903864), (39, 718456), (52, 538842), (62, 451932), (78, 359228), (93, 301288), (104, 269421), (124, 225966), (156, 179614), (186, 150644), (248, 112983), (312, 89807), (372, 75322), (403, 69528), (744, 37661), (806, 34764), (1209, 23176), (1612, 17382), (2418, 11588), (2897, 9672), (3224, 8691), (4836, 5794)]