28201789

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{677}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 35277696

約数和(自身を除く): 7075907

約数列:

[1, 7, 11, 77, 541, 677, 3787, 4739, 5951, 7447, 41657, 52129, 366257, 2563799, 4028827, 28201789]

約数ペア:

[(1, 28201789), (7, 4028827), (11, 2563799), (77, 366257), (541, 52129), (677, 41657), (3787, 7447), (4739, 5951)]