131645502

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 291133440

約数和(自身を除く): 159487938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 239, 426, 431, 478, 639, 717, 862, 1278, 1293, 1434, 2151, 2586, 3879, 4302, 7758, 16969, 30601, 33938, 50907, 61202, 91803, 101814, 103009, 152721, 183606, 206018, 275409, 305442, 309027, 550818, 618054, 927081, 1854162, 7313639, 14627278, 21940917, 43881834, 65822751, 131645502]

約数ペア:

[(1, 131645502), (2, 65822751), (3, 43881834), (6, 21940917), (9, 14627278), (18, 7313639), (71, 1854162), (142, 927081), (213, 618054), (239, 550818), (426, 309027), (431, 305442), (478, 275409), (639, 206018), (717, 183606), (862, 152721), (1278, 103009), (1293, 101814), (1434, 91803), (2151, 61202), (2586, 50907), (3879, 33938), (4302, 30601), (7758, 16969)]