81237768

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2659}}^1$

素因数の和:2754

約数の個数: 64

約数和(自身を含む): 217056000

約数和(自身を除く): 135818232

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 67, 76, 114, 134, 152, 201, 228, 268, 402, 456, 536, 804, 1273, 1608, 2546, 2659, 3819, 5092, 5318, 7638, 7977, 10184, 10636, 15276, 15954, 21272, 30552, 31908, 50521, 63816, 101042, 151563, 178153, 202084, 303126, 356306, 404168, 534459, 606252, 712612, 1068918, 1212504, 1425224, 2137836, 3384907, 4275672, 6769814, 10154721, 13539628, 20309442, 27079256, 40618884, 81237768]

約数ペア:

[(1, 81237768), (2, 40618884), (3, 27079256), (4, 20309442), (6, 13539628), (8, 10154721), (12, 6769814), (19, 4275672), (24, 3384907), (38, 2137836), (57, 1425224), (67, 1212504), (76, 1068918), (114, 712612), (134, 606252), (152, 534459), (201, 404168), (228, 356306), (268, 303126), (402, 202084), (456, 178153), (536, 151563), (804, 101042), (1273, 63816), (1608, 50521), (2546, 31908), (2659, 30552), (3819, 21272), (5092, 15954), (5318, 15276), (7638, 10636), (7977, 10184)]