257008895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3181}}^1$

素因数の和:3323

約数の個数: 32

約数和(自身を含む): 365649984

約数和(自身を除く): 108641089

約数列:

[1, 5, 11, 13, 55, 65, 113, 143, 565, 715, 1243, 1469, 3181, 6215, 7345, 15905, 16159, 34991, 41353, 80795, 174955, 206765, 359453, 454883, 1797265, 2274415, 3953983, 4672889, 19769915, 23364445, 51401779, 257008895]

約数ペア:

[(1, 257008895), (5, 51401779), (11, 23364445), (13, 19769915), (55, 4672889), (65, 3953983), (113, 2274415), (143, 1797265), (565, 454883), (715, 359453), (1243, 206765), (1469, 174955), (3181, 80795), (6215, 41353), (7345, 34991), (15905, 16159)]