81973144

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4457}}^1$

素因数の和:4504

約数の個数: 48

約数和(自身を含む): 177874200

約数和(自身を除く): 95901056

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1672, 2299, 4457, 4598, 8914, 9196, 17828, 18392, 35656, 49027, 84683, 98054, 169366, 196108, 338732, 392216, 539297, 677464, 931513, 1078594, 1863026, 2157188, 3726052, 4314376, 7452104, 10246643, 20493286, 40986572, 81973144]

約数ペア:

[(1, 81973144), (2, 40986572), (4, 20493286), (8, 10246643), (11, 7452104), (19, 4314376), (22, 3726052), (38, 2157188), (44, 1863026), (76, 1078594), (88, 931513), (121, 677464), (152, 539297), (209, 392216), (242, 338732), (418, 196108), (484, 169366), (836, 98054), (968, 84683), (1672, 49027), (2299, 35656), (4457, 18392), (4598, 17828), (8914, 9196)]