221563728

素因数分解:

$2^4\times 3^3\times {\mathrm{401}}^1\times {\mathrm{1279}}^1$

素因数の和:1697

約数の個数: 80

約数和(自身を含む): 638054400

約数和(自身を除く): 416490672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 401, 432, 802, 1203, 1279, 1604, 2406, 2558, 3208, 3609, 3837, 4812, 5116, 6416, 7218, 7674, 9624, 10232, 10827, 11511, 14436, 15348, 19248, 20464, 21654, 23022, 28872, 30696, 34533, 43308, 46044, 57744, 61392, 69066, 86616, 92088, 138132, 173232, 184176, 276264, 512879, 552528, 1025758, 1538637, 2051516, 3077274, 4103032, 4615911, 6154548, 8206064, 9231822, 12309096, 13847733, 18463644, 24618192, 27695466, 36927288, 55390932, 73854576, 110781864, 221563728]

約数ペア:

[(1, 221563728), (2, 110781864), (3, 73854576), (4, 55390932), (6, 36927288), (8, 27695466), (9, 24618192), (12, 18463644), (16, 13847733), (18, 12309096), (24, 9231822), (27, 8206064), (36, 6154548), (48, 4615911), (54, 4103032), (72, 3077274), (108, 2051516), (144, 1538637), (216, 1025758), (401, 552528), (432, 512879), (802, 276264), (1203, 184176), (1279, 173232), (1604, 138132), (2406, 92088), (2558, 86616), (3208, 69066), (3609, 61392), (3837, 57744), (4812, 46044), (5116, 43308), (6416, 34533), (7218, 30696), (7674, 28872), (9624, 23022), (10232, 21654), (10827, 20464), (11511, 19248), (14436, 15348)]