256468797

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2281}}^1$

素因数の和:2362

約数の個数: 36

約数和(自身を含む): 412416732

約数和(自身を除く): 155947935

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 961, 1209, 2281, 2883, 3627, 6843, 8649, 12493, 20529, 29653, 37479, 70711, 88959, 112437, 212133, 266877, 636399, 919243, 2192041, 2757729, 6576123, 8273187, 19728369, 28496533, 85489599, 256468797]

約数ペア:

[(1, 256468797), (3, 85489599), (9, 28496533), (13, 19728369), (31, 8273187), (39, 6576123), (93, 2757729), (117, 2192041), (279, 919243), (403, 636399), (961, 266877), (1209, 212133), (2281, 112437), (2883, 88959), (3627, 70711), (6843, 37479), (8649, 29653), (12493, 20529)]