31487364

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 82188288

約数和(自身を除く): 50700924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 97, 127, 142, 194, 213, 254, 284, 291, 381, 388, 426, 508, 582, 639, 762, 852, 873, 1143, 1164, 1278, 1524, 1746, 2286, 2556, 3492, 4572, 6887, 9017, 12319, 13774, 18034, 20661, 24638, 27051, 27548, 36068, 36957, 41322, 49276, 54102, 61983, 73914, 81153, 82644, 108204, 110871, 123966, 147828, 162306, 221742, 247932, 324612, 443484, 874649, 1749298, 2623947, 3498596, 5247894, 7871841, 10495788, 15743682, 31487364]

約数ペア:

[(1, 31487364), (2, 15743682), (3, 10495788), (4, 7871841), (6, 5247894), (9, 3498596), (12, 2623947), (18, 1749298), (36, 874649), (71, 443484), (97, 324612), (127, 247932), (142, 221742), (194, 162306), (213, 147828), (254, 123966), (284, 110871), (291, 108204), (381, 82644), (388, 81153), (426, 73914), (508, 61983), (582, 54102), (639, 49276), (762, 41322), (852, 36957), (873, 36068), (1143, 27548), (1164, 27051), (1278, 24638), (1524, 20661), (1746, 18034), (2286, 13774), (2556, 12319), (3492, 9017), (4572, 6887)]