2811761008

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{809839}}^1$

素因数の和:809885

約数の個数: 40

約数和(自身を含む): 6426890240

約数和(自身を除く): 3615129232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 809839, 1619678, 3239356, 5668873, 6478712, 11337746, 12957424, 22675492, 25105009, 45350984, 50210018, 90701968, 100420036, 175735063, 200840072, 351470126, 401680144, 702940252, 1405880504, 2811761008]

約数ペア:

[(1, 2811761008), (2, 1405880504), (4, 702940252), (7, 401680144), (8, 351470126), (14, 200840072), (16, 175735063), (28, 100420036), (31, 90701968), (56, 50210018), (62, 45350984), (112, 25105009), (124, 22675492), (217, 12957424), (248, 11337746), (434, 6478712), (496, 5668873), (868, 3239356), (1736, 1619678), (3472, 809839)]