51221295268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6991}}^1\times {\mathrm{12809}}^1$

素因数の和:19828

約数の個数: 48

約数和(自身を含む): 105331403520

約数和(自身を除く): 54110108252

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 6991, 12809, 13982, 25618, 27964, 51236, 76901, 90883, 140899, 153802, 166517, 181766, 281798, 307604, 333034, 363532, 563596, 666068, 999713, 1831687, 1999426, 3663374, 3998852, 7326748, 89547719, 179095438, 358190876, 985024909, 1164120347, 1970049818, 2328240694, 3940099636, 4656481388, 12805323817, 25610647634, 51221295268]

約数ペア:

[(1, 51221295268), (2, 25610647634), (4, 12805323817), (11, 4656481388), (13, 3940099636), (22, 2328240694), (26, 1970049818), (44, 1164120347), (52, 985024909), (143, 358190876), (286, 179095438), (572, 89547719), (6991, 7326748), (12809, 3998852), (13982, 3663374), (25618, 1999426), (27964, 1831687), (51236, 999713), (76901, 666068), (90883, 563596), (140899, 363532), (153802, 333034), (166517, 307604), (181766, 281798)]