387916516

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 770321664

約数和(自身を除く): 382405148

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 107, 124, 169, 173, 214, 338, 346, 403, 428, 676, 692, 806, 1391, 1612, 2249, 2782, 3317, 4498, 5239, 5363, 5564, 6634, 8996, 10478, 10726, 13268, 18083, 18511, 20956, 21452, 29237, 36166, 37022, 43121, 58474, 69719, 72332, 74044, 86242, 116948, 139438, 172484, 240643, 278876, 481286, 560573, 573841, 906347, 962572, 1121146, 1147682, 1812694, 2242292, 2295364, 3128359, 3625388, 6256718, 7459933, 12513436, 14919866, 29839732, 96979129, 193958258, 387916516]

約数ペア:

[(1, 387916516), (2, 193958258), (4, 96979129), (13, 29839732), (26, 14919866), (31, 12513436), (52, 7459933), (62, 6256718), (107, 3625388), (124, 3128359), (169, 2295364), (173, 2242292), (214, 1812694), (338, 1147682), (346, 1121146), (403, 962572), (428, 906347), (676, 573841), (692, 560573), (806, 481286), (1391, 278876), (1612, 240643), (2249, 172484), (2782, 139438), (3317, 116948), (4498, 86242), (5239, 74044), (5363, 72332), (5564, 69719), (6634, 58474), (8996, 43121), (10478, 37022), (10726, 36166), (13268, 29237), (18083, 21452), (18511, 20956)]