66939859

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{787}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 79430400

約数和(自身を除く): 12490541

約数列:

[1, 7, 29, 203, 419, 787, 2933, 5509, 12151, 22823, 85057, 159761, 329753, 2308271, 9562837, 66939859]

約数ペア:

[(1, 66939859), (7, 9562837), (29, 2308271), (203, 329753), (419, 159761), (787, 85057), (2933, 22823), (5509, 12151)]