30971954

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2202

約数の個数: 24

約数和(自身を含む): 51500592

約数和(自身を除く): 20528638

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 2131, 4262, 7267, 14534, 27703, 55406, 91633, 183266, 360139, 720278, 1191229, 2382458, 15485977, 30971954]

約数ペア:

[(1, 30971954), (2, 15485977), (13, 2382458), (26, 1191229), (43, 720278), (86, 360139), (169, 183266), (338, 91633), (559, 55406), (1118, 27703), (2131, 14534), (4262, 7267)]