12154945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7129}}^1$

素因数の和:7176

約数の個数: 16

約数和(自身を含む): 16427520

約数和(自身を除く): 4272575

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 7129, 35645, 78419, 220999, 392095, 1104995, 2430989, 12154945]

約数ペア:

[(1, 12154945), (5, 2430989), (11, 1104995), (31, 392095), (55, 220999), (155, 78419), (341, 35645), (1705, 7129)]