64938939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 96344640

約数和(自身を除く): 31405701

約数列:

[1, 3, 13, 39, 53, 89, 159, 267, 353, 689, 1059, 1157, 2067, 3471, 4589, 4717, 13767, 14151, 18709, 31417, 56127, 61321, 94251, 183963, 243217, 408421, 729651, 1225263, 1665101, 4995303, 21646313, 64938939]

約数ペア:

[(1, 64938939), (3, 21646313), (13, 4995303), (39, 1665101), (53, 1225263), (89, 729651), (159, 408421), (267, 243217), (353, 183963), (689, 94251), (1059, 61321), (1157, 56127), (2067, 31417), (3471, 18709), (4589, 14151), (4717, 13767)]