64191888

素因数分解:

$2^4\times 3^2\times {\mathrm{223}}^1\times {\mathrm{1999}}^1$

素因数の和:2236

約数の個数: 60

約数和(自身を含む): 180544000

約数和(自身を除く): 116352112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 223, 446, 669, 892, 1338, 1784, 1999, 2007, 2676, 3568, 3998, 4014, 5352, 5997, 7996, 8028, 10704, 11994, 15992, 16056, 17991, 23988, 31984, 32112, 35982, 47976, 71964, 95952, 143928, 287856, 445777, 891554, 1337331, 1783108, 2674662, 3566216, 4011993, 5349324, 7132432, 8023986, 10698648, 16047972, 21397296, 32095944, 64191888]

約数ペア:

[(1, 64191888), (2, 32095944), (3, 21397296), (4, 16047972), (6, 10698648), (8, 8023986), (9, 7132432), (12, 5349324), (16, 4011993), (18, 3566216), (24, 2674662), (36, 1783108), (48, 1337331), (72, 891554), (144, 445777), (223, 287856), (446, 143928), (669, 95952), (892, 71964), (1338, 47976), (1784, 35982), (1999, 32112), (2007, 31984), (2676, 23988), (3568, 17991), (3998, 16056), (4014, 15992), (5352, 11994), (5997, 10704), (7996, 8028)]