128889796

素因数分解:

$2^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{2539}}^1$

素因数の和:2601

約数の個数: 48

約数和(自身を含む): 270256000

約数和(自身を除く): 141366204

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 343, 518, 686, 1036, 1372, 1813, 2539, 3626, 5078, 7252, 10156, 12691, 17773, 25382, 35546, 50764, 71092, 93943, 124411, 187886, 248822, 375772, 497644, 657601, 870877, 1315202, 1741754, 2630404, 3483508, 4603207, 9206414, 18412828, 32222449, 64444898, 128889796]

約数ペア:

[(1, 128889796), (2, 64444898), (4, 32222449), (7, 18412828), (14, 9206414), (28, 4603207), (37, 3483508), (49, 2630404), (74, 1741754), (98, 1315202), (148, 870877), (196, 657601), (259, 497644), (343, 375772), (518, 248822), (686, 187886), (1036, 124411), (1372, 93943), (1813, 71092), (2539, 50764), (3626, 35546), (5078, 25382), (7252, 17773), (10156, 12691)]