81619128

素因数分解:

$2^3\times 3^2\times {\mathrm{461}}^1\times {\mathrm{2459}}^1$

素因数の和:2932

約数の個数: 48

約数和(自身を含む): 221621400

約数和(自身を除く): 140002272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 461, 922, 1383, 1844, 2459, 2766, 3688, 4149, 4918, 5532, 7377, 8298, 9836, 11064, 14754, 16596, 19672, 22131, 29508, 33192, 44262, 59016, 88524, 177048, 1133599, 2267198, 3400797, 4534396, 6801594, 9068792, 10202391, 13603188, 20404782, 27206376, 40809564, 81619128]

約数ペア:

[(1, 81619128), (2, 40809564), (3, 27206376), (4, 20404782), (6, 13603188), (8, 10202391), (9, 9068792), (12, 6801594), (18, 4534396), (24, 3400797), (36, 2267198), (72, 1133599), (461, 177048), (922, 88524), (1383, 59016), (1844, 44262), (2459, 33192), (2766, 29508), (3688, 22131), (4149, 19672), (4918, 16596), (5532, 14754), (7377, 11064), (8298, 9836)]