208040404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{907}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 429258816

約数和(自身を除く): 221218412

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 401, 572, 802, 907, 1604, 1814, 3628, 4411, 5213, 8822, 9977, 10426, 11791, 17644, 19954, 20852, 23582, 39908, 47164, 57343, 114686, 129701, 229372, 259402, 363707, 518804, 727414, 1454828, 4000777, 4728191, 8001554, 9456382, 16003108, 18912764, 52010101, 104020202, 208040404]

約数ペア:

[(1, 208040404), (2, 104020202), (4, 52010101), (11, 18912764), (13, 16003108), (22, 9456382), (26, 8001554), (44, 4728191), (52, 4000777), (143, 1454828), (286, 727414), (401, 518804), (572, 363707), (802, 259402), (907, 229372), (1604, 129701), (1814, 114686), (3628, 57343), (4411, 47164), (5213, 39908), (8822, 23582), (9977, 20852), (10426, 19954), (11791, 17644)]