138912494

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 257126400

約数和(自身を除く): 118213906

約数列:

[1, 2, 7, 14, 29, 58, 61, 71, 79, 122, 142, 158, 203, 406, 427, 497, 553, 854, 994, 1106, 1769, 2059, 2291, 3538, 4118, 4331, 4582, 4819, 5609, 8662, 9638, 11218, 12383, 14413, 16037, 24766, 28826, 30317, 32074, 33733, 39263, 60634, 67466, 78526, 125599, 139751, 162661, 251198, 279502, 325322, 342149, 684298, 879193, 978257, 1138627, 1758386, 1956514, 2277254, 2395043, 4790086, 9922321, 19844642, 69456247, 138912494]

約数ペア:

[(1, 138912494), (2, 69456247), (7, 19844642), (14, 9922321), (29, 4790086), (58, 2395043), (61, 2277254), (71, 1956514), (79, 1758386), (122, 1138627), (142, 978257), (158, 879193), (203, 684298), (406, 342149), (427, 325322), (497, 279502), (553, 251198), (854, 162661), (994, 139751), (1106, 125599), (1769, 78526), (2059, 67466), (2291, 60634), (3538, 39263), (4118, 33733), (4331, 32074), (4582, 30317), (4819, 28826), (5609, 24766), (8662, 16037), (9638, 14413), (11218, 12383)]