81541692

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1229}}^1$

素因数の和:1355

約数の個数: 72

約数和(自身を含む): 219382800

約数和(自身を除く): 137841108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 97, 114, 171, 194, 228, 291, 342, 388, 582, 684, 873, 1164, 1229, 1746, 1843, 2458, 3492, 3686, 3687, 4916, 5529, 7372, 7374, 11058, 11061, 14748, 16587, 22116, 22122, 23351, 33174, 44244, 46702, 66348, 70053, 93404, 119213, 140106, 210159, 238426, 280212, 357639, 420318, 476852, 715278, 840636, 1072917, 1430556, 2145834, 2265047, 4291668, 4530094, 6795141, 9060188, 13590282, 20385423, 27180564, 40770846, 81541692]

約数ペア:

[(1, 81541692), (2, 40770846), (3, 27180564), (4, 20385423), (6, 13590282), (9, 9060188), (12, 6795141), (18, 4530094), (19, 4291668), (36, 2265047), (38, 2145834), (57, 1430556), (76, 1072917), (97, 840636), (114, 715278), (171, 476852), (194, 420318), (228, 357639), (291, 280212), (342, 238426), (388, 210159), (582, 140106), (684, 119213), (873, 93404), (1164, 70053), (1229, 66348), (1746, 46702), (1843, 44244), (2458, 33174), (3492, 23351), (3686, 22122), (3687, 22116), (4916, 16587), (5529, 14748), (7372, 11061), (7374, 11058)]