128968448

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 298260480

約数和(自身を除く): 169292032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 553, 632, 896, 911, 1106, 1264, 1792, 1822, 2212, 2528, 3644, 4424, 5056, 6377, 7288, 8848, 10112, 12754, 14576, 17696, 20224, 25508, 29152, 35392, 51016, 58304, 70784, 71969, 102032, 116608, 141568, 143938, 204064, 233216, 287876, 408128, 503783, 575752, 816256, 1007566, 1151504, 1632512, 2015132, 2303008, 4030264, 4606016, 8060528, 9212032, 16121056, 18424064, 32242112, 64484224, 128968448]

約数ペア:

[(1, 128968448), (2, 64484224), (4, 32242112), (7, 18424064), (8, 16121056), (14, 9212032), (16, 8060528), (28, 4606016), (32, 4030264), (56, 2303008), (64, 2015132), (79, 1632512), (112, 1151504), (128, 1007566), (158, 816256), (224, 575752), (256, 503783), (316, 408128), (448, 287876), (553, 233216), (632, 204064), (896, 143938), (911, 141568), (1106, 116608), (1264, 102032), (1792, 71969), (1822, 70784), (2212, 58304), (2528, 51016), (3644, 35392), (4424, 29152), (5056, 25508), (6377, 20224), (7288, 17696), (8848, 14576), (10112, 12754)]