81119968

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1321}}^1$

素因数の和:1451

約数の個数: 48

約数和(自身を含む): 169903440

約数和(自身を除く): 88783472

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 101, 152, 202, 304, 404, 608, 808, 1321, 1616, 1919, 2642, 3232, 3838, 5284, 7676, 10568, 15352, 21136, 25099, 30704, 42272, 50198, 61408, 100396, 133421, 200792, 266842, 401584, 533684, 803168, 1067368, 2134736, 2534999, 4269472, 5069998, 10139996, 20279992, 40559984, 81119968]

約数ペア:

[(1, 81119968), (2, 40559984), (4, 20279992), (8, 10139996), (16, 5069998), (19, 4269472), (32, 2534999), (38, 2134736), (76, 1067368), (101, 803168), (152, 533684), (202, 401584), (304, 266842), (404, 200792), (608, 133421), (808, 100396), (1321, 61408), (1616, 50198), (1919, 42272), (2642, 30704), (3232, 25099), (3838, 21136), (5284, 15352), (7676, 10568)]