87979918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{569}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 150343200

約数和(自身を除く): 62363282

約数列:

[1, 2, 13, 19, 26, 38, 247, 313, 494, 569, 626, 1138, 4069, 5947, 7397, 8138, 10811, 11894, 14794, 21622, 77311, 140543, 154622, 178097, 281086, 356194, 2315261, 3383843, 4630522, 6767686, 43989959, 87979918]

約数ペア:

[(1, 87979918), (2, 43989959), (13, 6767686), (19, 4630522), (26, 3383843), (38, 2315261), (247, 356194), (313, 281086), (494, 178097), (569, 154622), (626, 140543), (1138, 77311), (4069, 21622), (5947, 14794), (7397, 11894), (8138, 10811)]