128901052

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:698

約数の個数: 48

約数和(自身を含む): 264205312

約数和(自身を除く): 135304260

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 163, 244, 326, 427, 463, 652, 854, 926, 1141, 1708, 1852, 2282, 3241, 4564, 6482, 9943, 12964, 19886, 28243, 39772, 56486, 69601, 75469, 112972, 139202, 150938, 197701, 278404, 301876, 395402, 528283, 790804, 1056566, 2113132, 4603609, 9207218, 18414436, 32225263, 64450526, 128901052]

約数ペア:

[(1, 128901052), (2, 64450526), (4, 32225263), (7, 18414436), (14, 9207218), (28, 4603609), (61, 2113132), (122, 1056566), (163, 790804), (244, 528283), (326, 395402), (427, 301876), (463, 278404), (652, 197701), (854, 150938), (926, 139202), (1141, 112972), (1708, 75469), (1852, 69601), (2282, 56486), (3241, 39772), (4564, 28243), (6482, 19886), (9943, 12964)]