31189228

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21017}}^1$

素因数の和:21081

約数の個数: 24

約数和(自身を含む): 63558432

約数和(自身を除く): 32369204

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 21017, 42034, 84068, 147119, 294238, 588476, 1113901, 2227802, 4455604, 7797307, 15594614, 31189228]

約数ペア:

[(1, 31189228), (2, 15594614), (4, 7797307), (7, 4455604), (14, 2227802), (28, 1113901), (53, 588476), (106, 294238), (212, 147119), (371, 84068), (742, 42034), (1484, 21017)]