207724615

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 322983936

約数和(自身を除く): 115259321

約数列:

[1, 5, 7, 17, 23, 35, 43, 85, 115, 119, 161, 215, 301, 353, 391, 595, 731, 805, 989, 1505, 1765, 1955, 2471, 2737, 3655, 4945, 5117, 6001, 6923, 8119, 12355, 13685, 15179, 16813, 25585, 30005, 34615, 40595, 42007, 56833, 75895, 84065, 106253, 117691, 138023, 210035, 258043, 284165, 349117, 531265, 588455, 690115, 966161, 1290215, 1745585, 1806301, 2443819, 4830805, 5934989, 9031505, 12219095, 29674945, 41544923, 207724615]

約数ペア:

[(1, 207724615), (5, 41544923), (7, 29674945), (17, 12219095), (23, 9031505), (35, 5934989), (43, 4830805), (85, 2443819), (115, 1806301), (119, 1745585), (161, 1290215), (215, 966161), (301, 690115), (353, 588455), (391, 531265), (595, 349117), (731, 284165), (805, 258043), (989, 210035), (1505, 138023), (1765, 117691), (1955, 106253), (2471, 84065), (2737, 75895), (3655, 56833), (4945, 42007), (5117, 40595), (6001, 34615), (6923, 30005), (8119, 25585), (12355, 16813), (13685, 15179)]