25293892

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 53125632

約数和(自身を除く): 27831740

約数列:

[1, 2, 4, 13, 17, 26, 31, 34, 52, 62, 68, 71, 124, 142, 169, 221, 284, 338, 403, 442, 527, 676, 806, 884, 923, 1054, 1207, 1612, 1846, 2108, 2201, 2414, 2873, 3692, 4402, 4828, 5239, 5746, 6851, 8804, 10478, 11492, 11999, 13702, 15691, 20956, 23998, 27404, 28613, 31382, 37417, 47996, 57226, 62764, 74834, 89063, 114452, 149668, 178126, 203983, 356252, 371969, 407966, 486421, 743938, 815932, 972842, 1487876, 1945684, 6323473, 12646946, 25293892]

約数ペア:

[(1, 25293892), (2, 12646946), (4, 6323473), (13, 1945684), (17, 1487876), (26, 972842), (31, 815932), (34, 743938), (52, 486421), (62, 407966), (68, 371969), (71, 356252), (124, 203983), (142, 178126), (169, 149668), (221, 114452), (284, 89063), (338, 74834), (403, 62764), (442, 57226), (527, 47996), (676, 37417), (806, 31382), (884, 28613), (923, 27404), (1054, 23998), (1207, 20956), (1612, 15691), (1846, 13702), (2108, 11999), (2201, 11492), (2414, 10478), (2873, 8804), (3692, 6851), (4402, 5746), (4828, 5239)]