221919488

素因数分解:

$2^8\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3347}}^1$

素因数の和:3407

約数の個数: 72

約数和(自身を含む): 520091712

約数和(自身を除く): 298172224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 64, 74, 112, 128, 148, 224, 256, 259, 296, 448, 518, 592, 896, 1036, 1184, 1792, 2072, 2368, 3347, 4144, 4736, 6694, 8288, 9472, 13388, 16576, 23429, 26776, 33152, 46858, 53552, 66304, 93716, 107104, 123839, 187432, 214208, 247678, 374864, 428416, 495356, 749728, 856832, 866873, 990712, 1499456, 1733746, 1981424, 2998912, 3467492, 3962848, 5997824, 6934984, 7925696, 13869968, 15851392, 27739936, 31702784, 55479872, 110959744, 221919488]

約数ペア:

[(1, 221919488), (2, 110959744), (4, 55479872), (7, 31702784), (8, 27739936), (14, 15851392), (16, 13869968), (28, 7925696), (32, 6934984), (37, 5997824), (56, 3962848), (64, 3467492), (74, 2998912), (112, 1981424), (128, 1733746), (148, 1499456), (224, 990712), (256, 866873), (259, 856832), (296, 749728), (448, 495356), (518, 428416), (592, 374864), (896, 247678), (1036, 214208), (1184, 187432), (1792, 123839), (2072, 107104), (2368, 93716), (3347, 66304), (4144, 53552), (4736, 46858), (6694, 33152), (8288, 26776), (9472, 23429), (13388, 16576)]