13869380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:804

約数の個数: 48

約数和(自身を含む): 33551616

約数和(自身を除く): 19682236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 631, 785, 1099, 1262, 1570, 2198, 2524, 3140, 3155, 4396, 4417, 5495, 6310, 8834, 10990, 12620, 17668, 21980, 22085, 44170, 88340, 99067, 198134, 396268, 495335, 693469, 990670, 1386938, 1981340, 2773876, 3467345, 6934690, 13869380]

約数ペア:

[(1, 13869380), (2, 6934690), (4, 3467345), (5, 2773876), (7, 1981340), (10, 1386938), (14, 990670), (20, 693469), (28, 495335), (35, 396268), (70, 198134), (140, 99067), (157, 88340), (314, 44170), (628, 22085), (631, 21980), (785, 17668), (1099, 12620), (1262, 10990), (1570, 8834), (2198, 6310), (2524, 5495), (3140, 4417), (3155, 4396)]