261078142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{1217}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 435439872

約数和(自身を除く): 174361730

約数列:

[1, 2, 13, 26, 37, 74, 223, 446, 481, 962, 1217, 2434, 2899, 5798, 8251, 15821, 16502, 31642, 45029, 90058, 107263, 214526, 271391, 542782, 585377, 1170754, 3528083, 7056166, 10041467, 20082934, 130539071, 261078142]

約数ペア:

[(1, 261078142), (2, 130539071), (13, 20082934), (26, 10041467), (37, 7056166), (74, 3528083), (223, 1170754), (446, 585377), (481, 542782), (962, 271391), (1217, 214526), (2434, 107263), (2899, 90058), (5798, 45029), (8251, 31642), (15821, 16502)]