254681284

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2381}}^1$

素因数の和:2437

約数の個数: 72

約数和(自身を含む): 558845784

約数和(自身を除く): 304164500

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 121, 143, 187, 221, 242, 286, 374, 442, 484, 572, 748, 884, 1573, 2057, 2381, 2431, 3146, 4114, 4762, 4862, 6292, 8228, 9524, 9724, 26191, 26741, 30953, 40477, 52382, 53482, 61906, 80954, 104764, 106964, 123812, 161908, 288101, 340483, 445247, 526201, 576202, 680966, 890494, 1052402, 1152404, 1361932, 1780988, 2104804, 3745313, 4897717, 5788211, 7490626, 9795434, 11576422, 14981252, 19590868, 23152844, 63670321, 127340642, 254681284]

約数ペア:

[(1, 254681284), (2, 127340642), (4, 63670321), (11, 23152844), (13, 19590868), (17, 14981252), (22, 11576422), (26, 9795434), (34, 7490626), (44, 5788211), (52, 4897717), (68, 3745313), (121, 2104804), (143, 1780988), (187, 1361932), (221, 1152404), (242, 1052402), (286, 890494), (374, 680966), (442, 576202), (484, 526201), (572, 445247), (748, 340483), (884, 288101), (1573, 161908), (2057, 123812), (2381, 106964), (2431, 104764), (3146, 80954), (4114, 61906), (4762, 53482), (4862, 52382), (6292, 40477), (8228, 30953), (9524, 26741), (9724, 26191)]