161805368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 344217600

約数和(自身を除く): 182412232

約数列:

[1, 2, 4, 8, 19, 23, 31, 38, 46, 62, 76, 92, 124, 152, 184, 248, 437, 589, 713, 874, 1178, 1426, 1493, 1748, 2356, 2852, 2986, 3496, 4712, 5704, 5972, 11944, 13547, 27094, 28367, 34339, 46283, 54188, 56734, 68678, 92566, 108376, 113468, 137356, 185132, 226936, 274712, 370264, 652441, 879377, 1064509, 1304882, 1758754, 2129018, 2609764, 3517508, 4258036, 5219528, 7035016, 8516072, 20225671, 40451342, 80902684, 161805368]

約数ペア:

[(1, 161805368), (2, 80902684), (4, 40451342), (8, 20225671), (19, 8516072), (23, 7035016), (31, 5219528), (38, 4258036), (46, 3517508), (62, 2609764), (76, 2129018), (92, 1758754), (124, 1304882), (152, 1064509), (184, 879377), (248, 652441), (437, 370264), (589, 274712), (713, 226936), (874, 185132), (1178, 137356), (1426, 113468), (1493, 108376), (1748, 92566), (2356, 68678), (2852, 56734), (2986, 54188), (3496, 46283), (4712, 34339), (5704, 28367), (5972, 27094), (11944, 13547)]