31261516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:143

約数の個数: 96

約数和(自身を含む): 69543936

約数和(自身を除く): 38282420

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 41, 43, 44, 52, 62, 82, 86, 124, 143, 164, 172, 286, 341, 403, 451, 473, 533, 559, 572, 682, 806, 902, 946, 1066, 1118, 1271, 1333, 1364, 1612, 1763, 1804, 1892, 2132, 2236, 2542, 2666, 3526, 4433, 5084, 5332, 5863, 6149, 7052, 8866, 11726, 12298, 13981, 14663, 16523, 17329, 17732, 19393, 22919, 23452, 24596, 27962, 29326, 33046, 34658, 38786, 45838, 54653, 55924, 58652, 66092, 69316, 77572, 91676, 109306, 181753, 190619, 218612, 252109, 363506, 381238, 504218, 601183, 710489, 727012, 762476, 1008436, 1202366, 1420978, 2404732, 2841956, 7815379, 15630758, 31261516]

約数ペア:

[(1, 31261516), (2, 15630758), (4, 7815379), (11, 2841956), (13, 2404732), (22, 1420978), (26, 1202366), (31, 1008436), (41, 762476), (43, 727012), (44, 710489), (52, 601183), (62, 504218), (82, 381238), (86, 363506), (124, 252109), (143, 218612), (164, 190619), (172, 181753), (286, 109306), (341, 91676), (403, 77572), (451, 69316), (473, 66092), (533, 58652), (559, 55924), (572, 54653), (682, 45838), (806, 38786), (902, 34658), (946, 33046), (1066, 29326), (1118, 27962), (1271, 24596), (1333, 23452), (1364, 22919), (1612, 19393), (1763, 17732), (1804, 17329), (1892, 16523), (2132, 14663), (2236, 13981), (2542, 12298), (2666, 11726), (3526, 8866), (4433, 7052), (5084, 6149), (5332, 5863)]