1243494

素因数分解:

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

素因数の和:225

約数の個数: 48

約数和(自身を含む): 3144960

約数和(自身を除く): 1901466

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 139, 142, 213, 278, 417, 426, 497, 639, 834, 973, 994, 1251, 1278, 1491, 1946, 2502, 2919, 2982, 4473, 5838, 8757, 8946, 9869, 17514, 19738, 29607, 59214, 69083, 88821, 138166, 177642, 207249, 414498, 621747, 1243494]

約数ペア:

[(1, 1243494), (2, 621747), (3, 414498), (6, 207249), (7, 177642), (9, 138166), (14, 88821), (18, 69083), (21, 59214), (42, 29607), (63, 19738), (71, 17514), (126, 9869), (139, 8946), (142, 8757), (213, 5838), (278, 4473), (417, 2982), (426, 2919), (497, 2502), (639, 1946), (834, 1491), (973, 1278), (994, 1251)]