9912188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 21643776

約数和(自身を除く): 11731588

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 43, 44, 52, 62, 86, 124, 143, 169, 172, 286, 338, 341, 403, 473, 559, 572, 676, 682, 806, 946, 1118, 1333, 1364, 1612, 1859, 1892, 2236, 2666, 3718, 4433, 5239, 5332, 6149, 7267, 7436, 8866, 10478, 12298, 14534, 14663, 17329, 17732, 20956, 24596, 29068, 29326, 34658, 57629, 58652, 69316, 79937, 115258, 159874, 190619, 225277, 230516, 319748, 381238, 450554, 762476, 901108, 2478047, 4956094, 9912188]

約数ペア:

[(1, 9912188), (2, 4956094), (4, 2478047), (11, 901108), (13, 762476), (22, 450554), (26, 381238), (31, 319748), (43, 230516), (44, 225277), (52, 190619), (62, 159874), (86, 115258), (124, 79937), (143, 69316), (169, 58652), (172, 57629), (286, 34658), (338, 29326), (341, 29068), (403, 24596), (473, 20956), (559, 17732), (572, 17329), (676, 14663), (682, 14534), (806, 12298), (946, 10478), (1118, 8866), (1333, 7436), (1364, 7267), (1612, 6149), (1859, 5332), (1892, 5239), (2236, 4433), (2666, 3718)]