81815162

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1187}}^1$

素因数の和:1454

約数の個数: 32

約数和(自身を含む): 144897984

約数和(自身を除く): 63082822

約数列:

[1, 2, 11, 13, 22, 26, 143, 241, 286, 482, 1187, 2374, 2651, 3133, 5302, 6266, 13057, 15431, 26114, 30862, 34463, 68926, 169741, 286067, 339482, 572134, 3146737, 3718871, 6293474, 7437742, 40907581, 81815162]

約数ペア:

[(1, 81815162), (2, 40907581), (11, 7437742), (13, 6293474), (22, 3718871), (26, 3146737), (143, 572134), (241, 339482), (286, 286067), (482, 169741), (1187, 68926), (2374, 34463), (2651, 30862), (3133, 26114), (5302, 15431), (6266, 13057)]