123891872

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:806

約数の個数: 72

約数和(自身を含む): 273006720

約数和(自身を除く): 149114848

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 169, 208, 248, 338, 403, 416, 496, 676, 739, 806, 992, 1352, 1478, 1612, 2704, 2956, 3224, 5239, 5408, 5912, 6448, 9607, 10478, 11824, 12896, 19214, 20956, 22909, 23648, 38428, 41912, 45818, 76856, 83824, 91636, 124891, 153712, 167648, 183272, 249782, 297817, 307424, 366544, 499564, 595634, 733088, 999128, 1191268, 1998256, 2382536, 3871621, 3996512, 4765072, 7743242, 9530144, 15486484, 30972968, 61945936, 123891872]

約数ペア:

[(1, 123891872), (2, 61945936), (4, 30972968), (8, 15486484), (13, 9530144), (16, 7743242), (26, 4765072), (31, 3996512), (32, 3871621), (52, 2382536), (62, 1998256), (104, 1191268), (124, 999128), (169, 733088), (208, 595634), (248, 499564), (338, 366544), (403, 307424), (416, 297817), (496, 249782), (676, 183272), (739, 167648), (806, 153712), (992, 124891), (1352, 91636), (1478, 83824), (1612, 76856), (2704, 45818), (2956, 41912), (3224, 38428), (5239, 23648), (5408, 22909), (5912, 20956), (6448, 19214), (9607, 12896), (10478, 11824)]