81219912

素因数分解:

$2^3\times 3^1\times {\mathrm{487}}^1\times {\mathrm{6949}}^1$

素因数の和:7445

約数の個数: 32

約数和(自身を含む): 203496000

約数和(自身を除く): 122276088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 487, 974, 1461, 1948, 2922, 3896, 5844, 6949, 11688, 13898, 20847, 27796, 41694, 55592, 83388, 166776, 3384163, 6768326, 10152489, 13536652, 20304978, 27073304, 40609956, 81219912]

約数ペア:

[(1, 81219912), (2, 40609956), (3, 27073304), (4, 20304978), (6, 13536652), (8, 10152489), (12, 6768326), (24, 3384163), (487, 166776), (974, 83388), (1461, 55592), (1948, 41694), (2922, 27796), (3896, 20847), (5844, 13898), (6949, 11688)]