81490816

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1923

約数の個数: 64

約数和(自身を含む): 182914560

約数和(自身を除く): 101423744

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 341, 352, 496, 682, 704, 992, 1364, 1408, 1867, 1984, 2728, 3734, 3968, 5456, 7468, 10912, 14936, 20537, 21824, 29872, 41074, 43648, 57877, 59744, 82148, 115754, 119488, 164296, 231508, 238976, 328592, 463016, 636647, 657184, 926032, 1273294, 1314368, 1852064, 2546588, 2628736, 3704128, 5093176, 7408256, 10186352, 20372704, 40745408, 81490816]

約数ペア:

[(1, 81490816), (2, 40745408), (4, 20372704), (8, 10186352), (11, 7408256), (16, 5093176), (22, 3704128), (31, 2628736), (32, 2546588), (44, 1852064), (62, 1314368), (64, 1273294), (88, 926032), (124, 657184), (128, 636647), (176, 463016), (248, 328592), (341, 238976), (352, 231508), (496, 164296), (682, 119488), (704, 115754), (992, 82148), (1364, 59744), (1408, 57877), (1867, 43648), (1984, 41074), (2728, 29872), (3734, 21824), (3968, 20537), (5456, 14936), (7468, 10912)]