81977082

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 186900480

約数和(自身を除く): 104923398

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 103, 186, 206, 309, 341, 389, 618, 682, 778, 1023, 1133, 1167, 2046, 2266, 2334, 3193, 3399, 4279, 6386, 6798, 8558, 9579, 12059, 12837, 19158, 24118, 25674, 35123, 36177, 40067, 70246, 72354, 80134, 105369, 120201, 132649, 210738, 240402, 265298, 397947, 440737, 795894, 881474, 1242077, 1322211, 2484154, 2644422, 3726231, 7452462, 13662847, 27325694, 40988541, 81977082]

約数ペア:

[(1, 81977082), (2, 40988541), (3, 27325694), (6, 13662847), (11, 7452462), (22, 3726231), (31, 2644422), (33, 2484154), (62, 1322211), (66, 1242077), (93, 881474), (103, 795894), (186, 440737), (206, 397947), (309, 265298), (341, 240402), (389, 210738), (618, 132649), (682, 120201), (778, 105369), (1023, 80134), (1133, 72354), (1167, 70246), (2046, 40067), (2266, 36177), (2334, 35123), (3193, 25674), (3399, 24118), (4279, 19158), (6386, 12837), (6798, 12059), (8558, 9579)]