257339964

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{437653}}^1$

素因数の和:437674

約数の個数: 36

約数和(自身を含む): 698495784

約数和(自身を除く): 441155820

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 437653, 875306, 1312959, 1750612, 2625918, 3063571, 5251836, 6127142, 9190713, 12254284, 18381426, 21444997, 36762852, 42889994, 64334991, 85779988, 128669982, 257339964]

約数ペア:

[(1, 257339964), (2, 128669982), (3, 85779988), (4, 64334991), (6, 42889994), (7, 36762852), (12, 21444997), (14, 18381426), (21, 12254284), (28, 9190713), (42, 6127142), (49, 5251836), (84, 3063571), (98, 2625918), (147, 1750612), (196, 1312959), (294, 875306), (588, 437653)]