131806188

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^2\times {\mathrm{227}}^1$

素因数の和:491

約数の個数: 54

約数和(自身を含む): 337300236

約数和(自身を除く): 205494048

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 227, 254, 381, 454, 508, 681, 762, 908, 1143, 1362, 1524, 2043, 2286, 2724, 4086, 4572, 8172, 16129, 28829, 32258, 48387, 57658, 64516, 86487, 96774, 115316, 145161, 172974, 193548, 259461, 290322, 345948, 518922, 580644, 1037844, 3661283, 7322566, 10983849, 14645132, 21967698, 32951547, 43935396, 65903094, 131806188]

約数ペア:

[(1, 131806188), (2, 65903094), (3, 43935396), (4, 32951547), (6, 21967698), (9, 14645132), (12, 10983849), (18, 7322566), (36, 3661283), (127, 1037844), (227, 580644), (254, 518922), (381, 345948), (454, 290322), (508, 259461), (681, 193548), (762, 172974), (908, 145161), (1143, 115316), (1362, 96774), (1524, 86487), (2043, 64516), (2286, 57658), (2724, 48387), (4086, 32258), (4572, 28829), (8172, 16129)]