912720848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{141551}}^1$

素因数の和:141603

約数の個数: 40

約数和(自身を含む): 1965874176

約数和(自身を除く): 1053153328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 141551, 283102, 566204, 1132408, 1840163, 2264816, 3680326, 4388081, 7360652, 8776162, 14721304, 17552324, 29442608, 35104648, 57045053, 70209296, 114090106, 228180212, 456360424, 912720848]

約数ペア:

[(1, 912720848), (2, 456360424), (4, 228180212), (8, 114090106), (13, 70209296), (16, 57045053), (26, 35104648), (31, 29442608), (52, 17552324), (62, 14721304), (104, 8776162), (124, 7360652), (208, 4388081), (248, 3680326), (403, 2264816), (496, 1840163), (806, 1132408), (1612, 566204), (3224, 283102), (6448, 141551)]