81932272

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:857

約数の個数: 40

約数和(自身を含む): 162862592

約数和(自身を除く): 80930320

約数列:

[1, 2, 4, 8, 16, 61, 122, 127, 244, 254, 488, 508, 661, 976, 1016, 1322, 2032, 2644, 5288, 7747, 10576, 15494, 30988, 40321, 61976, 80642, 83947, 123952, 161284, 167894, 322568, 335788, 645136, 671576, 1343152, 5120767, 10241534, 20483068, 40966136, 81932272]

約数ペア:

[(1, 81932272), (2, 40966136), (4, 20483068), (8, 10241534), (16, 5120767), (61, 1343152), (122, 671576), (127, 645136), (244, 335788), (254, 322568), (488, 167894), (508, 161284), (661, 123952), (976, 83947), (1016, 80642), (1322, 61976), (2032, 40321), (2644, 30988), (5288, 15494), (7747, 10576)]