138262418

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 252937728

約数和(自身を除く): 114675310

約数列:

[1, 2, 7, 14, 31, 49, 62, 71, 98, 142, 217, 434, 497, 641, 994, 1282, 1519, 2201, 3038, 3479, 4402, 4487, 6958, 8974, 15407, 19871, 30814, 31409, 39742, 45511, 62818, 91022, 107849, 139097, 215698, 278194, 318577, 637154, 973679, 1410841, 1947358, 2230039, 2821682, 4460078, 9875887, 19751774, 69131209, 138262418]

約数ペア:

[(1, 138262418), (2, 69131209), (7, 19751774), (14, 9875887), (31, 4460078), (49, 2821682), (62, 2230039), (71, 1947358), (98, 1410841), (142, 973679), (217, 637154), (434, 318577), (497, 278194), (641, 215698), (994, 139097), (1282, 107849), (1519, 91022), (2201, 62818), (3038, 45511), (3479, 39742), (4402, 31409), (4487, 30814), (6958, 19871), (8974, 15407)]