1520260049

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{2039}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 1983467520

約数和(自身を除く): 463207471

約数列:

[1, 7, 11, 23, 77, 161, 253, 421, 1771, 2039, 2947, 4631, 9683, 14273, 22429, 32417, 46897, 67781, 106513, 157003, 328279, 515867, 745591, 858419, 3611069, 6008933, 9442609, 19743637, 66098263, 138205459, 217180007, 1520260049]

約数ペア:

[(1, 1520260049), (7, 217180007), (11, 138205459), (23, 66098263), (77, 19743637), (161, 9442609), (253, 6008933), (421, 3611069), (1771, 858419), (2039, 745591), (2947, 515867), (4631, 328279), (9683, 157003), (14273, 106513), (22429, 67781), (32417, 46897)]