81336188

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 72

約数和(自身を含む): 163860480

約数和(自身を除く): 82524292

約数列:

[1, 2, 4, 19, 23, 31, 38, 46, 62, 76, 79, 92, 124, 158, 316, 361, 437, 589, 713, 722, 874, 1178, 1426, 1444, 1501, 1748, 1817, 2356, 2449, 2852, 3002, 3634, 4898, 6004, 7268, 8303, 9796, 11191, 13547, 16606, 22382, 27094, 28519, 33212, 34523, 44764, 46531, 54188, 56327, 57038, 69046, 93062, 112654, 114076, 138092, 186124, 225308, 257393, 514786, 655937, 884089, 1029572, 1070213, 1311874, 1768178, 2140426, 2623748, 3536356, 4280852, 20334047, 40668094, 81336188]

約数ペア:

[(1, 81336188), (2, 40668094), (4, 20334047), (19, 4280852), (23, 3536356), (31, 2623748), (38, 2140426), (46, 1768178), (62, 1311874), (76, 1070213), (79, 1029572), (92, 884089), (124, 655937), (158, 514786), (316, 257393), (361, 225308), (437, 186124), (589, 138092), (713, 114076), (722, 112654), (874, 93062), (1178, 69046), (1426, 57038), (1444, 56327), (1501, 54188), (1748, 46531), (1817, 44764), (2356, 34523), (2449, 33212), (2852, 28519), (3002, 27094), (3634, 22382), (4898, 16606), (6004, 13547), (7268, 11191), (8303, 9796)]