31331898

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:799

約数の個数: 48

約数和(自身を含む): 73533096

約数和(自身を除く): 42201198

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 257, 514, 521, 771, 1042, 1542, 1563, 2313, 3126, 3341, 4626, 4689, 6682, 6773, 9378, 10023, 13546, 20046, 20319, 30069, 40638, 60138, 60957, 121914, 133897, 267794, 401691, 803382, 1205073, 1740661, 2410146, 3481322, 5221983, 10443966, 15665949, 31331898]

約数ペア:

[(1, 31331898), (2, 15665949), (3, 10443966), (6, 5221983), (9, 3481322), (13, 2410146), (18, 1740661), (26, 1205073), (39, 803382), (78, 401691), (117, 267794), (234, 133897), (257, 121914), (514, 60957), (521, 60138), (771, 40638), (1042, 30069), (1542, 20319), (1563, 20046), (2313, 13546), (3126, 10023), (3341, 9378), (4626, 6773), (4689, 6682)]