388520854551

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{112361}}^1$

素因数の和:112736

約数の個数: 48

約数和(自身を含む): 600992876640

約数和(自身を除く): 212472022089

約数列:

[1, 3, 9, 19, 57, 73, 171, 219, 277, 657, 831, 1387, 2493, 4161, 5263, 12483, 15789, 20221, 47367, 60663, 112361, 181989, 337083, 384199, 1011249, 1152597, 2134859, 3457791, 6404577, 8202353, 19213731, 24607059, 31123997, 73821177, 93371991, 155844707, 280115973, 467534121, 591355943, 1402602363, 1774067829, 2272051781, 5322203487, 6816155343, 20448466029, 43168983839, 129506951517, 388520854551]

約数ペア:

[(1, 388520854551), (3, 129506951517), (9, 43168983839), (19, 20448466029), (57, 6816155343), (73, 5322203487), (171, 2272051781), (219, 1774067829), (277, 1402602363), (657, 591355943), (831, 467534121), (1387, 280115973), (2493, 155844707), (4161, 93371991), (5263, 73821177), (12483, 31123997), (15789, 24607059), (20221, 19213731), (47367, 8202353), (60663, 6404577), (112361, 3457791), (181989, 2134859), (337083, 1152597), (384199, 1011249)]