207857993

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{6781}}^1$

素因数の和:6968

約数の個数: 16

約数和(自身を含む): 247407360

約数和(自身を除く): 39549367

約数列:

[1, 7, 29, 151, 203, 1057, 4379, 6781, 30653, 47467, 196649, 1023931, 1376543, 7167517, 29693999, 207857993]

約数ペア:

[(1, 207857993), (7, 29693999), (29, 7167517), (151, 1376543), (203, 1023931), (1057, 196649), (4379, 47467), (6781, 30653)]