26780068

素因数分解:

$2^2\times 7^3\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 55440000

約数和(自身を除く): 28659932

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 149, 196, 262, 298, 343, 524, 596, 686, 917, 1043, 1372, 1834, 2086, 3668, 4172, 6419, 7301, 12838, 14602, 19519, 25676, 29204, 39038, 44933, 51107, 78076, 89866, 102214, 136633, 179732, 204428, 273266, 546532, 956431, 1912862, 3825724, 6695017, 13390034, 26780068]

約数ペア:

[(1, 26780068), (2, 13390034), (4, 6695017), (7, 3825724), (14, 1912862), (28, 956431), (49, 546532), (98, 273266), (131, 204428), (149, 179732), (196, 136633), (262, 102214), (298, 89866), (343, 78076), (524, 51107), (596, 44933), (686, 39038), (917, 29204), (1043, 25676), (1372, 19519), (1834, 14602), (2086, 12838), (3668, 7301), (4172, 6419)]