1277887912

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{1543}}^1$

素因数の和:2222

約数の個数: 64

約数和(自身を含む): 2863687680

約数和(自身を除く): 1585799768

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 643, 644, 1286, 1288, 1543, 2572, 3086, 4501, 5144, 6172, 9002, 10801, 12344, 14789, 18004, 21602, 29578, 35489, 36008, 43204, 59156, 70978, 86408, 103523, 118312, 141956, 207046, 248423, 283912, 414092, 496846, 828184, 992149, 993692, 1984298, 1987384, 3968596, 6945043, 7937192, 13890086, 22819427, 27780172, 45638854, 55560344, 91277708, 159735989, 182555416, 319471978, 638943956, 1277887912]

約数ペア:

[(1, 1277887912), (2, 638943956), (4, 319471978), (7, 182555416), (8, 159735989), (14, 91277708), (23, 55560344), (28, 45638854), (46, 27780172), (56, 22819427), (92, 13890086), (161, 7937192), (184, 6945043), (322, 3968596), (643, 1987384), (644, 1984298), (1286, 993692), (1288, 992149), (1543, 828184), (2572, 496846), (3086, 414092), (4501, 283912), (5144, 248423), (6172, 207046), (9002, 141956), (10801, 118312), (12344, 103523), (14789, 86408), (18004, 70978), (21602, 59156), (29578, 43204), (35489, 36008)]