55155863

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 69341184

約数和(自身を除く): 14185321

約数列:

[1, 7, 23, 37, 47, 161, 197, 259, 329, 851, 1081, 1379, 1739, 4531, 5957, 7289, 7567, 9259, 12173, 31717, 39997, 51023, 64813, 167647, 212957, 279979, 342583, 1173529, 1490699, 2398081, 7879409, 55155863]

約数ペア:

[(1, 55155863), (7, 7879409), (23, 2398081), (37, 1490699), (47, 1173529), (161, 342583), (197, 279979), (259, 212957), (329, 167647), (851, 64813), (1081, 51023), (1379, 39997), (1739, 31717), (4531, 12173), (5957, 9259), (7289, 7567)]