1681221892

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{1553}}^1$

素因数の和:1669

約数の個数: 72

約数和(自身を含む): 3598616448

約数和(自身を除く): 1917394556

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 82, 92, 161, 164, 287, 322, 574, 644, 943, 1148, 1553, 1681, 1886, 3106, 3362, 3772, 6212, 6601, 6724, 10871, 11767, 13202, 21742, 23534, 26404, 35719, 38663, 43484, 47068, 63673, 71438, 77326, 127346, 142876, 154652, 250033, 254692, 270641, 445711, 500066, 541282, 891422, 1000132, 1082564, 1464479, 1782844, 2610593, 2928958, 5221186, 5857916, 10251353, 10442372, 18274151, 20502706, 36548302, 41005412, 60043639, 73096604, 120087278, 240174556, 420305473, 840610946, 1681221892]

約数ペア:

[(1, 1681221892), (2, 840610946), (4, 420305473), (7, 240174556), (14, 120087278), (23, 73096604), (28, 60043639), (41, 41005412), (46, 36548302), (82, 20502706), (92, 18274151), (161, 10442372), (164, 10251353), (287, 5857916), (322, 5221186), (574, 2928958), (644, 2610593), (943, 1782844), (1148, 1464479), (1553, 1082564), (1681, 1000132), (1886, 891422), (3106, 541282), (3362, 500066), (3772, 445711), (6212, 270641), (6601, 254692), (6724, 250033), (10871, 154652), (11767, 142876), (13202, 127346), (21742, 77326), (23534, 71438), (26404, 63673), (35719, 47068), (38663, 43484)]