645111866

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 1190412288

約数和(自身を除く): 545300422

約数列:

[1, 2, 7, 14, 23, 46, 53, 103, 106, 161, 206, 322, 367, 371, 721, 734, 742, 1219, 1442, 2369, 2438, 2569, 4738, 5138, 5459, 8441, 8533, 10918, 16583, 16882, 17066, 19451, 33166, 37801, 38213, 38902, 59087, 75602, 76426, 118174, 125557, 136157, 251114, 264607, 272314, 447373, 529214, 869423, 878899, 894746, 1738846, 1757798, 2003453, 3131611, 4006906, 6085961, 6263222, 12171922, 14024171, 28048342, 46079419, 92158838, 322555933, 645111866]

約数ペア:

[(1, 645111866), (2, 322555933), (7, 92158838), (14, 46079419), (23, 28048342), (46, 14024171), (53, 12171922), (103, 6263222), (106, 6085961), (161, 4006906), (206, 3131611), (322, 2003453), (367, 1757798), (371, 1738846), (721, 894746), (734, 878899), (742, 869423), (1219, 529214), (1442, 447373), (2369, 272314), (2438, 264607), (2569, 251114), (4738, 136157), (5138, 125557), (5459, 118174), (8441, 76426), (8533, 75602), (10918, 59087), (16583, 38902), (16882, 38213), (17066, 37801), (19451, 33166)]