221897984

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11257}}^1$

素因数の和:11291

約数の個数: 72

約数和(自身を含む): 552272448

約数和(自身を除く): 330374464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 1232, 1408, 1792, 2464, 2816, 4928, 9856, 11257, 19712, 22514, 45028, 78799, 90056, 123827, 157598, 180112, 247654, 315196, 360224, 495308, 630392, 720448, 866789, 990616, 1260784, 1440896, 1733578, 1981232, 2521568, 2881792, 3467156, 3962464, 5043136, 6934312, 7924928, 10086272, 13868624, 15849856, 20172544, 27737248, 31699712, 55474496, 110948992, 221897984]

約数ペア:

[(1, 221897984), (2, 110948992), (4, 55474496), (7, 31699712), (8, 27737248), (11, 20172544), (14, 15849856), (16, 13868624), (22, 10086272), (28, 7924928), (32, 6934312), (44, 5043136), (56, 3962464), (64, 3467156), (77, 2881792), (88, 2521568), (112, 1981232), (128, 1733578), (154, 1440896), (176, 1260784), (224, 990616), (256, 866789), (308, 720448), (352, 630392), (448, 495308), (616, 360224), (704, 315196), (896, 247654), (1232, 180112), (1408, 157598), (1792, 123827), (2464, 90056), (2816, 78799), (4928, 45028), (9856, 22514), (11257, 19712)]