259746984

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{515371}}^1$

素因数の和:515390

約数の個数: 48

約数和(自身を含む): 803980320

約数和(自身を除く): 544233336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 515371, 1030742, 1546113, 2061484, 3092226, 3607597, 4122968, 4638339, 6184452, 7215194, 9276678, 10822791, 12368904, 14430388, 18553356, 21645582, 28860776, 32468373, 37106712, 43291164, 64936746, 86582328, 129873492, 259746984]

約数ペア:

[(1, 259746984), (2, 129873492), (3, 86582328), (4, 64936746), (6, 43291164), (7, 37106712), (8, 32468373), (9, 28860776), (12, 21645582), (14, 18553356), (18, 14430388), (21, 12368904), (24, 10822791), (28, 9276678), (36, 7215194), (42, 6184452), (56, 4638339), (63, 4122968), (72, 3607597), (84, 3092226), (126, 2061484), (168, 1546113), (252, 1030742), (504, 515371)]