78520178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2957}}^1$

素因数の和:3058

約数の個数: 32

約数和(自身を含む): 138008448

約数和(自身を除く): 59488270

約数列:

[1, 2, 11, 17, 22, 34, 71, 142, 187, 374, 781, 1207, 1562, 2414, 2957, 5914, 13277, 26554, 32527, 50269, 65054, 100538, 209947, 419894, 552959, 1105918, 2309417, 3569099, 4618834, 7138198, 39260089, 78520178]

約数ペア:

[(1, 78520178), (2, 39260089), (11, 7138198), (17, 4618834), (22, 3569099), (34, 2309417), (71, 1105918), (142, 552959), (187, 419894), (374, 209947), (781, 100538), (1207, 65054), (1562, 50269), (2414, 32527), (2957, 26554), (5914, 13277)]