15121216

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1$

素因数の和:527

約数の個数: 56

約数和(自身を含む): 33503616

約数和(自身を除く): 18382400

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 47, 64, 88, 94, 176, 188, 352, 376, 457, 517, 704, 752, 914, 1034, 1504, 1828, 2068, 3008, 3656, 4136, 5027, 7312, 8272, 10054, 14624, 16544, 20108, 21479, 29248, 33088, 40216, 42958, 80432, 85916, 160864, 171832, 236269, 321728, 343664, 472538, 687328, 945076, 1374656, 1890152, 3780304, 7560608, 15121216]

約数ペア:

[(1, 15121216), (2, 7560608), (4, 3780304), (8, 1890152), (11, 1374656), (16, 945076), (22, 687328), (32, 472538), (44, 343664), (47, 321728), (64, 236269), (88, 171832), (94, 160864), (176, 85916), (188, 80432), (352, 42958), (376, 40216), (457, 33088), (517, 29248), (704, 21479), (752, 20108), (914, 16544), (1034, 14624), (1504, 10054), (1828, 8272), (2068, 7312), (3008, 5027), (3656, 4136)]