40386514

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 74834496

約数和(自身を除く): 34447982

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 131, 133, 262, 266, 361, 427, 722, 854, 917, 1159, 1834, 2318, 2489, 2527, 4978, 5054, 7991, 8113, 15982, 16226, 17423, 22021, 34846, 44042, 47291, 55937, 94582, 111874, 151829, 154147, 303658, 308294, 331037, 662074, 1062803, 2125606, 2884751, 5769502, 20193257, 40386514]

約数ペア:

[(1, 40386514), (2, 20193257), (7, 5769502), (14, 2884751), (19, 2125606), (38, 1062803), (61, 662074), (122, 331037), (131, 308294), (133, 303658), (262, 154147), (266, 151829), (361, 111874), (427, 94582), (722, 55937), (854, 47291), (917, 44042), (1159, 34846), (1834, 22021), (2318, 17423), (2489, 16226), (2527, 15982), (4978, 8113), (5054, 7991)]