2486988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 7338240

約数和(自身を除く): 4851252

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 139, 142, 213, 252, 278, 284, 417, 426, 497, 556, 639, 834, 852, 973, 994, 1251, 1278, 1491, 1668, 1946, 1988, 2502, 2556, 2919, 2982, 3892, 4473, 5004, 5838, 5964, 8757, 8946, 9869, 11676, 17514, 17892, 19738, 29607, 35028, 39476, 59214, 69083, 88821, 118428, 138166, 177642, 207249, 276332, 355284, 414498, 621747, 828996, 1243494, 2486988]

約数ペア:

[(1, 2486988), (2, 1243494), (3, 828996), (4, 621747), (6, 414498), (7, 355284), (9, 276332), (12, 207249), (14, 177642), (18, 138166), (21, 118428), (28, 88821), (36, 69083), (42, 59214), (63, 39476), (71, 35028), (84, 29607), (126, 19738), (139, 17892), (142, 17514), (213, 11676), (252, 9869), (278, 8946), (284, 8757), (417, 5964), (426, 5838), (497, 5004), (556, 4473), (639, 3892), (834, 2982), (852, 2919), (973, 2556), (994, 2502), (1251, 1988), (1278, 1946), (1491, 1668)]