31681442

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1778

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 23476318

約数列:

[1, 2, 13, 23, 26, 31, 46, 62, 299, 403, 598, 713, 806, 1426, 1709, 3418, 9269, 18538, 22217, 39307, 44434, 52979, 78614, 105958, 510991, 688727, 1021982, 1218517, 1377454, 2437034, 15840721, 31681442]

約数ペア:

[(1, 31681442), (2, 15840721), (13, 2437034), (23, 1377454), (26, 1218517), (31, 1021982), (46, 688727), (62, 510991), (299, 105958), (403, 78614), (598, 52979), (713, 44434), (806, 39307), (1426, 22217), (1709, 18538), (3418, 9269)]