128390486

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1$

素因数の和:1389

約数の個数: 48

約数和(自身を含む): 240453360

約数和(自身を除く): 112062874

約数列:

[1, 2, 7, 14, 19, 38, 49, 53, 98, 106, 133, 266, 371, 742, 931, 1007, 1301, 1862, 2014, 2597, 2602, 5194, 7049, 9107, 14098, 18214, 24719, 49343, 49438, 63749, 68953, 98686, 127498, 137906, 173033, 346066, 482671, 965342, 1211231, 1310107, 2422462, 2620214, 3378697, 6757394, 9170749, 18341498, 64195243, 128390486]

約数ペア:

[(1, 128390486), (2, 64195243), (7, 18341498), (14, 9170749), (19, 6757394), (38, 3378697), (49, 2620214), (53, 2422462), (98, 1310107), (106, 1211231), (133, 965342), (266, 482671), (371, 346066), (742, 173033), (931, 137906), (1007, 127498), (1301, 98686), (1862, 68953), (2014, 63749), (2597, 49438), (2602, 49343), (5194, 24719), (7049, 18214), (9107, 14098)]