72440668

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{1973}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 129668112

約数和(自身を除く): 57227444

約数列:

[1, 2, 4, 67, 134, 137, 268, 274, 548, 1973, 3946, 7892, 9179, 18358, 36716, 132191, 264382, 270301, 528764, 540602, 1081204, 18110167, 36220334, 72440668]

約数ペア:

[(1, 72440668), (2, 36220334), (4, 18110167), (67, 1081204), (134, 540602), (137, 528764), (268, 270301), (274, 264382), (548, 132191), (1973, 36716), (3946, 18358), (7892, 9179)]