213506384

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{146639}}^1$

素因数の和:146667

約数の個数: 40

約数和(自身を含む): 509134080

約数和(自身を除く): 295627696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 146639, 293278, 586556, 1026473, 1173112, 1906307, 2052946, 2346224, 3812614, 4105892, 7625228, 8211784, 13344149, 15250456, 16423568, 26688298, 30500912, 53376596, 106753192, 213506384]

約数ペア:

[(1, 213506384), (2, 106753192), (4, 53376596), (7, 30500912), (8, 26688298), (13, 16423568), (14, 15250456), (16, 13344149), (26, 8211784), (28, 7625228), (52, 4105892), (56, 3812614), (91, 2346224), (104, 2052946), (112, 1906307), (182, 1173112), (208, 1026473), (364, 586556), (728, 293278), (1456, 146639)]