164863475

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 248198400

約数和(自身を除く): 83334925

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 179, 277, 475, 665, 895, 1253, 1385, 1939, 3325, 3401, 4475, 5263, 6265, 6925, 9695, 17005, 23807, 26315, 31325, 36841, 48475, 49583, 85025, 119035, 131575, 184205, 247915, 347081, 595175, 921025, 942077, 1239575, 1735405, 4710385, 6594539, 8677025, 23551925, 32972695, 164863475]

約数ペア:

[(1, 164863475), (5, 32972695), (7, 23551925), (19, 8677025), (25, 6594539), (35, 4710385), (95, 1735405), (133, 1239575), (175, 942077), (179, 921025), (277, 595175), (475, 347081), (665, 247915), (895, 184205), (1253, 131575), (1385, 119035), (1939, 85025), (3325, 49583), (3401, 48475), (4475, 36841), (5263, 31325), (6265, 26315), (6925, 23807), (9695, 17005)]