28401438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 64012032

約数和(自身を除く): 35610594

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 83, 107, 123, 166, 214, 246, 249, 321, 498, 533, 642, 1066, 1079, 1391, 1599, 2158, 2782, 3198, 3237, 3403, 4173, 4387, 6474, 6806, 8346, 8774, 8881, 10209, 13161, 17762, 20418, 26322, 26643, 44239, 53286, 57031, 88478, 114062, 115453, 132717, 171093, 230906, 265434, 342186, 346359, 364121, 692718, 728242, 1092363, 2184726, 4733573, 9467146, 14200719, 28401438]

約数ペア:

[(1, 28401438), (2, 14200719), (3, 9467146), (6, 4733573), (13, 2184726), (26, 1092363), (39, 728242), (41, 692718), (78, 364121), (82, 346359), (83, 342186), (107, 265434), (123, 230906), (166, 171093), (214, 132717), (246, 115453), (249, 114062), (321, 88478), (498, 57031), (533, 53286), (642, 44239), (1066, 26643), (1079, 26322), (1391, 20418), (1599, 17762), (2158, 13161), (2782, 10209), (3198, 8881), (3237, 8774), (3403, 8346), (4173, 6806), (4387, 6474)]