1339873808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21401}}^1$

素因数の和:21472

約数の個数: 80

約数和(自身を含む): 3269540736

約数和(自身を除く): 1929666928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 43, 52, 56, 86, 91, 104, 112, 172, 182, 208, 301, 344, 364, 559, 602, 688, 728, 1118, 1204, 1456, 2236, 2408, 3913, 4472, 4816, 7826, 8944, 15652, 21401, 31304, 42802, 62608, 85604, 149807, 171208, 278213, 299614, 342416, 556426, 599228, 920243, 1112852, 1198456, 1840486, 1947491, 2225704, 2396912, 3680972, 3894982, 4451408, 6441701, 7361944, 7789964, 11963159, 12883402, 14723888, 15579928, 23926318, 25766804, 31159856, 47852636, 51533608, 83742113, 95705272, 103067216, 167484226, 191410544, 334968452, 669936904, 1339873808]

約数ペア:

[(1, 1339873808), (2, 669936904), (4, 334968452), (7, 191410544), (8, 167484226), (13, 103067216), (14, 95705272), (16, 83742113), (26, 51533608), (28, 47852636), (43, 31159856), (52, 25766804), (56, 23926318), (86, 15579928), (91, 14723888), (104, 12883402), (112, 11963159), (172, 7789964), (182, 7361944), (208, 6441701), (301, 4451408), (344, 3894982), (364, 3680972), (559, 2396912), (602, 2225704), (688, 1947491), (728, 1840486), (1118, 1198456), (1204, 1112852), (1456, 920243), (2236, 599228), (2408, 556426), (3913, 342416), (4472, 299614), (4816, 278213), (7826, 171208), (8944, 149807), (15652, 85604), (21401, 62608), (31304, 42802)]