156960589424

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{1997}}^1\times {\mathrm{4957}}^1$

素因数の和:7953

約数の個数: 40

約数和(自身を含む): 304631895168

約数和(自身を除く): 147671305744

約数列:

[1, 2, 4, 8, 16, 991, 1982, 1997, 3964, 3994, 4957, 7928, 7988, 9914, 15856, 15976, 19828, 31952, 39656, 79312, 1979027, 3958054, 4912387, 7916108, 9824774, 9899129, 15832216, 19649548, 19798258, 31664432, 39299096, 39596516, 78598192, 79193032, 158386064, 9810036839, 19620073678, 39240147356, 78480294712, 156960589424]

約数ペア:

[(1, 156960589424), (2, 78480294712), (4, 39240147356), (8, 19620073678), (16, 9810036839), (991, 158386064), (1982, 79193032), (1997, 78598192), (3964, 39596516), (3994, 39299096), (4957, 31664432), (7928, 19798258), (7988, 19649548), (9914, 15832216), (15856, 9899129), (15976, 9824774), (19828, 7916108), (31952, 4912387), (39656, 3958054), (79312, 1979027)]