71244972

素因数分解:

$2^2\times 3^2\times {\mathrm{991}}^1\times {\mathrm{1997}}^1$

素因数の和:2998

約数の個数: 36

約数和(自身を含む): 180363456

約数和(自身を除く): 109118484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 991, 1982, 1997, 2973, 3964, 3994, 5946, 5991, 7988, 8919, 11892, 11982, 17838, 17973, 23964, 35676, 35946, 71892, 1979027, 3958054, 5937081, 7916108, 11874162, 17811243, 23748324, 35622486, 71244972]

約数ペア:

[(1, 71244972), (2, 35622486), (3, 23748324), (4, 17811243), (6, 11874162), (9, 7916108), (12, 5937081), (18, 3958054), (36, 1979027), (991, 71892), (1982, 35946), (1997, 35676), (2973, 23964), (3964, 17973), (3994, 17838), (5946, 11982), (5991, 11892), (7988, 8919)]