72280789

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 90616320

約数和(自身を除く): 18335531

約数列:

[1, 7, 23, 29, 113, 137, 161, 203, 667, 791, 959, 2599, 3151, 3277, 3973, 4669, 15481, 18193, 22057, 22939, 27811, 75371, 91379, 108367, 356063, 448949, 527597, 639653, 2492441, 3142643, 10325827, 72280789]

約数ペア:

[(1, 72280789), (7, 10325827), (23, 3142643), (29, 2492441), (113, 639653), (137, 527597), (161, 448949), (203, 356063), (667, 108367), (791, 91379), (959, 75371), (2599, 27811), (3151, 22939), (3277, 22057), (3973, 18193), (4669, 15481)]