1221566274

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{997}}^1\times {\mathrm{1583}}^1$

素因数の和:2631

約数の個数: 48

約数和(自身を含む): 2712707712

約数和(自身を除く): 1491141438

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 997, 1583, 1994, 2991, 3166, 4749, 5982, 8973, 9498, 14247, 17946, 28494, 42871, 68069, 85742, 128613, 136138, 204207, 257226, 385839, 408414, 612621, 771678, 1225242, 1578251, 3156502, 4734753, 9469506, 14204259, 28408518, 67864793, 135729586, 203594379, 407188758, 610783137, 1221566274]

約数ペア:

[(1, 1221566274), (2, 610783137), (3, 407188758), (6, 203594379), (9, 135729586), (18, 67864793), (43, 28408518), (86, 14204259), (129, 9469506), (258, 4734753), (387, 3156502), (774, 1578251), (997, 1225242), (1583, 771678), (1994, 612621), (2991, 408414), (3166, 385839), (4749, 257226), (5982, 204207), (8973, 136138), (9498, 128613), (14247, 85742), (17946, 68069), (28494, 42871)]