1261233918

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{140983}}^1$

素因数の和:141069

約数の個数: 48

約数和(自身を含む): 3167064576

約数和(自身を除く): 1905830658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 426, 497, 639, 994, 1278, 1491, 2982, 4473, 8946, 140983, 281966, 422949, 845898, 986881, 1268847, 1973762, 2537694, 2960643, 5921286, 8881929, 10009793, 17763858, 20019586, 30029379, 60058758, 70068551, 90088137, 140137102, 180176274, 210205653, 420411306, 630616959, 1261233918]

約数ペア:

[(1, 1261233918), (2, 630616959), (3, 420411306), (6, 210205653), (7, 180176274), (9, 140137102), (14, 90088137), (18, 70068551), (21, 60058758), (42, 30029379), (63, 20019586), (71, 17763858), (126, 10009793), (142, 8881929), (213, 5921286), (426, 2960643), (497, 2537694), (639, 1973762), (994, 1268847), (1278, 986881), (1491, 845898), (2982, 422949), (4473, 281966), (8946, 140983)]