128965768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{8747}}^1$

素因数の和:8869

約数の個数: 32

約数和(自身を含む): 257191200

約数和(自身を除く): 128225432

約数列:

[1, 2, 4, 8, 19, 38, 76, 97, 152, 194, 388, 776, 1843, 3686, 7372, 8747, 14744, 17494, 34988, 69976, 166193, 332386, 664772, 848459, 1329544, 1696918, 3393836, 6787672, 16120721, 32241442, 64482884, 128965768]

約数ペア:

[(1, 128965768), (2, 64482884), (4, 32241442), (8, 16120721), (19, 6787672), (38, 3393836), (76, 1696918), (97, 1329544), (152, 848459), (194, 664772), (388, 332386), (776, 166193), (1843, 69976), (3686, 34988), (7372, 17494), (8747, 14744)]