128808736

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^2\times {\mathrm{311}}^1$

素因数の和:414

約数の個数: 72

約数和(自身を含む): 297670464

約数和(自身を除く): 168861728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 311, 344, 602, 622, 688, 1204, 1244, 1376, 1849, 2177, 2408, 2488, 3698, 4354, 4816, 4976, 7396, 8708, 9632, 9952, 12943, 13373, 14792, 17416, 25886, 26746, 29584, 34832, 51772, 53492, 59168, 69664, 93611, 103544, 106984, 187222, 207088, 213968, 374444, 414176, 427936, 575039, 748888, 1150078, 1497776, 2300156, 2995552, 4025273, 4600312, 8050546, 9200624, 16101092, 18401248, 32202184, 64404368, 128808736]

約数ペア:

[(1, 128808736), (2, 64404368), (4, 32202184), (7, 18401248), (8, 16101092), (14, 9200624), (16, 8050546), (28, 4600312), (32, 4025273), (43, 2995552), (56, 2300156), (86, 1497776), (112, 1150078), (172, 748888), (224, 575039), (301, 427936), (311, 414176), (344, 374444), (602, 213968), (622, 207088), (688, 187222), (1204, 106984), (1244, 103544), (1376, 93611), (1849, 69664), (2177, 59168), (2408, 53492), (2488, 51772), (3698, 34832), (4354, 29584), (4816, 26746), (4976, 25886), (7396, 17416), (8708, 14792), (9632, 13373), (9952, 12943)]