31505254

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:852

約数の個数: 24

約数和(自身を含む): 52275384

約数和(自身を除く): 20770130

約数列:

[1, 2, 11, 22, 121, 211, 242, 422, 617, 1234, 2321, 4642, 6787, 13574, 25531, 51062, 74657, 130187, 149314, 260374, 1432057, 2864114, 15752627, 31505254]

約数ペア:

[(1, 31505254), (2, 15752627), (11, 2864114), (22, 1432057), (121, 260374), (211, 149314), (242, 130187), (422, 74657), (617, 51062), (1234, 25531), (2321, 13574), (4642, 6787)]