199376128

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 487158784

約数和(自身を除く): 287782656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 56, 62, 64, 74, 97, 112, 124, 128, 148, 194, 217, 224, 248, 256, 259, 296, 388, 434, 448, 496, 518, 592, 679, 776, 868, 896, 992, 1036, 1147, 1184, 1358, 1552, 1736, 1792, 1984, 2072, 2294, 2368, 2716, 3007, 3104, 3472, 3589, 3968, 4144, 4588, 4736, 5432, 6014, 6208, 6944, 7178, 7936, 8029, 8288, 9176, 9472, 10864, 12028, 12416, 13888, 14356, 16058, 16576, 18352, 21049, 21728, 24056, 24832, 25123, 27776, 28712, 32116, 33152, 36704, 42098, 43456, 48112, 50246, 55552, 57424, 64232, 66304, 73408, 84196, 86912, 96224, 100492, 111259, 114848, 128464, 146816, 168392, 173824, 192448, 200984, 222518, 229696, 256928, 293632, 336784, 384896, 401968, 445036, 459392, 513856, 673568, 769792, 778813, 803936, 890072, 918784, 1027712, 1347136, 1557626, 1607872, 1780144, 2055424, 2694272, 3115252, 3215744, 3560288, 5388544, 6230504, 6431488, 7120576, 12461008, 14241152, 24922016, 28482304, 49844032, 99688064, 199376128]

約数ペア:

[(1, 199376128), (2, 99688064), (4, 49844032), (7, 28482304), (8, 24922016), (14, 14241152), (16, 12461008), (28, 7120576), (31, 6431488), (32, 6230504), (37, 5388544), (56, 3560288), (62, 3215744), (64, 3115252), (74, 2694272), (97, 2055424), (112, 1780144), (124, 1607872), (128, 1557626), (148, 1347136), (194, 1027712), (217, 918784), (224, 890072), (248, 803936), (256, 778813), (259, 769792), (296, 673568), (388, 513856), (434, 459392), (448, 445036), (496, 401968), (518, 384896), (592, 336784), (679, 293632), (776, 256928), (868, 229696), (896, 222518), (992, 200984), (1036, 192448), (1147, 173824), (1184, 168392), (1358, 146816), (1552, 128464), (1736, 114848), (1792, 111259), (1984, 100492), (2072, 96224), (2294, 86912), (2368, 84196), (2716, 73408), (3007, 66304), (3104, 64232), (3472, 57424), (3589, 55552), (3968, 50246), (4144, 48112), (4588, 43456), (4736, 42098), (5432, 36704), (6014, 33152), (6208, 32116), (6944, 28712), (7178, 27776), (7936, 25123), (8029, 24832), (8288, 24056), (9176, 21728), (9472, 21049), (10864, 18352), (12028, 16576), (12416, 16058), (13888, 14356)]