399452976

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{213383}}^1$

素因数の和:213410

約数の個数: 60

約数和(自身を含む): 1203912528

約数和(自身を除く): 804459552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 213383, 426766, 640149, 853532, 1280298, 1707064, 1920447, 2560596, 2773979, 3414128, 3840894, 5121192, 5547958, 7681788, 8321937, 10242384, 11095916, 15363576, 16643874, 22191832, 24965811, 30727152, 33287748, 44383664, 49931622, 66575496, 99863244, 133150992, 199726488, 399452976]

約数ペア:

[(1, 399452976), (2, 199726488), (3, 133150992), (4, 99863244), (6, 66575496), (8, 49931622), (9, 44383664), (12, 33287748), (13, 30727152), (16, 24965811), (18, 22191832), (24, 16643874), (26, 15363576), (36, 11095916), (39, 10242384), (48, 8321937), (52, 7681788), (72, 5547958), (78, 5121192), (104, 3840894), (117, 3414128), (144, 2773979), (156, 2560596), (208, 1920447), (234, 1707064), (312, 1280298), (468, 853532), (624, 640149), (936, 426766), (1872, 213383)]