81579342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1871}}^1$

素因数の和:1945

約数の個数: 48

約数和(自身を含む): 180880128

約数和(自身を除く): 99300786

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 169, 258, 338, 507, 559, 1014, 1118, 1677, 1871, 3354, 3742, 5613, 7267, 11226, 14534, 21801, 24323, 43602, 48646, 72969, 80453, 145938, 160906, 241359, 316199, 482718, 632398, 948597, 1045889, 1897194, 2091778, 3137667, 6275334, 13596557, 27193114, 40789671, 81579342]

約数ペア:

[(1, 81579342), (2, 40789671), (3, 27193114), (6, 13596557), (13, 6275334), (26, 3137667), (39, 2091778), (43, 1897194), (78, 1045889), (86, 948597), (129, 632398), (169, 482718), (258, 316199), (338, 241359), (507, 160906), (559, 145938), (1014, 80453), (1118, 72969), (1677, 48646), (1871, 43602), (3354, 24323), (3742, 21801), (5613, 14534), (7267, 11226)]