15000000428

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{64381}}^1$

素因数の和:64602

約数の個数: 48

約数和(自身を含む): 30761204544

約数和(自身を除く): 15761204116

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 157, 212, 314, 371, 628, 742, 1099, 1484, 2198, 4396, 8321, 16642, 33284, 58247, 64381, 116494, 128762, 232988, 257524, 450667, 901334, 1802668, 3412193, 6824386, 10107817, 13648772, 20215634, 23885351, 40431268, 47770702, 70754719, 95541404, 141509438, 283018876, 535714301, 1071428602, 2142857204, 3750000107, 7500000214, 15000000428]

約数ペア:

[(1, 15000000428), (2, 7500000214), (4, 3750000107), (7, 2142857204), (14, 1071428602), (28, 535714301), (53, 283018876), (106, 141509438), (157, 95541404), (212, 70754719), (314, 47770702), (371, 40431268), (628, 23885351), (742, 20215634), (1099, 13648772), (1484, 10107817), (2198, 6824386), (4396, 3412193), (8321, 1802668), (16642, 901334), (33284, 450667), (58247, 257524), (64381, 232988), (116494, 128762)]