81912292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 193019904

約数和(自身を除く): 111107612

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 31, 44, 46, 62, 77, 92, 124, 154, 161, 217, 253, 308, 322, 341, 373, 434, 506, 644, 682, 713, 746, 868, 1012, 1364, 1426, 1492, 1771, 2387, 2611, 2852, 3542, 4103, 4774, 4991, 5222, 7084, 7843, 8206, 8579, 9548, 9982, 10444, 11563, 15686, 16412, 17158, 19964, 23126, 28721, 31372, 34316, 46252, 54901, 57442, 60053, 80941, 94369, 109802, 114884, 120106, 127193, 161882, 188738, 219604, 240212, 254386, 265949, 323764, 377476, 508772, 531898, 660583, 890351, 1063796, 1321166, 1780702, 1861643, 2642332, 2925439, 3561404, 3723286, 5850878, 7446572, 11701756, 20478073, 40956146, 81912292]

約数ペア:

[(1, 81912292), (2, 40956146), (4, 20478073), (7, 11701756), (11, 7446572), (14, 5850878), (22, 3723286), (23, 3561404), (28, 2925439), (31, 2642332), (44, 1861643), (46, 1780702), (62, 1321166), (77, 1063796), (92, 890351), (124, 660583), (154, 531898), (161, 508772), (217, 377476), (253, 323764), (308, 265949), (322, 254386), (341, 240212), (373, 219604), (434, 188738), (506, 161882), (644, 127193), (682, 120106), (713, 114884), (746, 109802), (868, 94369), (1012, 80941), (1364, 60053), (1426, 57442), (1492, 54901), (1771, 46252), (2387, 34316), (2611, 31372), (2852, 28721), (3542, 23126), (4103, 19964), (4774, 17158), (4991, 16412), (5222, 15686), (7084, 11563), (7843, 10444), (8206, 9982), (8579, 9548)]