221479496

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{136379}}^1$

素因数の和:136421

約数の個数: 32

約数和(自身を含む): 490968000

約数和(自身を除く): 269488504

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 136379, 272758, 545516, 954653, 1091032, 1909306, 3818612, 3954991, 7637224, 7909982, 15819964, 27684937, 31639928, 55369874, 110739748, 221479496]

約数ペア:

[(1, 221479496), (2, 110739748), (4, 55369874), (7, 31639928), (8, 27684937), (14, 15819964), (28, 7909982), (29, 7637224), (56, 3954991), (58, 3818612), (116, 1909306), (203, 1091032), (232, 954653), (406, 545516), (812, 272758), (1624, 136379)]