218974288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{769}}^1$

素因数の和:864

約数の個数: 60

約数和(自身を含む): 470191260

約数和(自身を除く): 251216972

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 74, 104, 148, 208, 296, 481, 592, 769, 962, 1369, 1538, 1924, 2738, 3076, 3848, 5476, 6152, 7696, 9997, 10952, 12304, 17797, 19994, 21904, 28453, 35594, 39988, 56906, 71188, 79976, 113812, 142376, 159952, 227624, 284752, 369889, 455248, 739778, 1052761, 1479556, 2105522, 2959112, 4211044, 5918224, 8422088, 13685893, 16844176, 27371786, 54743572, 109487144, 218974288]

約数ペア:

[(1, 218974288), (2, 109487144), (4, 54743572), (8, 27371786), (13, 16844176), (16, 13685893), (26, 8422088), (37, 5918224), (52, 4211044), (74, 2959112), (104, 2105522), (148, 1479556), (208, 1052761), (296, 739778), (481, 455248), (592, 369889), (769, 284752), (962, 227624), (1369, 159952), (1538, 142376), (1924, 113812), (2738, 79976), (3076, 71188), (3848, 56906), (5476, 39988), (6152, 35594), (7696, 28453), (9997, 21904), (10952, 19994), (12304, 17797)]