207318356

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1\times {\mathrm{337}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 421564416

約数和(自身を除く): 214246060

約数列:

[1, 2, 4, 7, 14, 28, 127, 173, 254, 337, 346, 508, 674, 692, 889, 1211, 1348, 1778, 2359, 2422, 3556, 4718, 4844, 9436, 21971, 42799, 43942, 58301, 85598, 87884, 116602, 153797, 171196, 233204, 299593, 307594, 408107, 599186, 615188, 816214, 1198372, 1632428, 7404227, 14808454, 29616908, 51829589, 103659178, 207318356]

約数ペア:

[(1, 207318356), (2, 103659178), (4, 51829589), (7, 29616908), (14, 14808454), (28, 7404227), (127, 1632428), (173, 1198372), (254, 816214), (337, 615188), (346, 599186), (508, 408107), (674, 307594), (692, 299593), (889, 233204), (1211, 171196), (1348, 153797), (1778, 116602), (2359, 87884), (2422, 85598), (3556, 58301), (4718, 43942), (4844, 42799), (9436, 21971)]