261617960065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1028029}}^1$

素因数の和:1028713

約数の個数: 32

約数和(自身を含む): 392000175360

約数和(自身を除く): 130382215295

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 661, 3305, 4627, 7271, 23135, 36355, 50897, 254485, 1028029, 5140145, 7196203, 11308319, 35981015, 56541595, 79158233, 395791165, 679527169, 3397635845, 4756690183, 7474798859, 23783450915, 37373994295, 52323592013, 261617960065]

約数ペア:

[(1, 261617960065), (5, 52323592013), (7, 37373994295), (11, 23783450915), (35, 7474798859), (55, 4756690183), (77, 3397635845), (385, 679527169), (661, 395791165), (3305, 79158233), (4627, 56541595), (7271, 35981015), (23135, 11308319), (36355, 7196203), (50897, 5140145), (254485, 1028029)]