80821986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{52009}}^1$

素因数の和:52058

約数の個数: 32

約数和(自身を含む): 189732480

約数和(自身を除く): 108910494

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 52009, 104018, 156027, 312054, 364063, 728126, 1092189, 1924333, 2184378, 3848666, 5772999, 11545998, 13470331, 26940662, 40410993, 80821986]

約数ペア:

[(1, 80821986), (2, 40410993), (3, 26940662), (6, 13470331), (7, 11545998), (14, 5772999), (21, 3848666), (37, 2184378), (42, 1924333), (74, 1092189), (111, 728126), (222, 364063), (259, 312054), (518, 156027), (777, 104018), (1554, 52009)]