90540412

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{1291}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 161164080

約数和(自身を除く): 70623668

約数列:

[1, 2, 4, 89, 178, 197, 356, 394, 788, 1291, 2582, 5164, 17533, 35066, 70132, 114899, 229798, 254327, 459596, 508654, 1017308, 22635103, 45270206, 90540412]

約数ペア:

[(1, 90540412), (2, 45270206), (4, 22635103), (89, 1017308), (178, 508654), (197, 459596), (356, 254327), (394, 229798), (788, 114899), (1291, 70132), (2582, 35066), (5164, 17533)]