221745104

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20411}}^1$

素因数の和:20523

約数の個数: 40

約数和(自身を含む): 496093248

約数和(自身を除く): 274348144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 20411, 40822, 81644, 142877, 163288, 285754, 326576, 571508, 1143016, 1979867, 2286032, 3959734, 7919468, 13859069, 15838936, 27718138, 31677872, 55436276, 110872552, 221745104]

約数ペア:

[(1, 221745104), (2, 110872552), (4, 55436276), (7, 31677872), (8, 27718138), (14, 15838936), (16, 13859069), (28, 7919468), (56, 3959734), (97, 2286032), (112, 1979867), (194, 1143016), (388, 571508), (679, 326576), (776, 285754), (1358, 163288), (1552, 142877), (2716, 81644), (5432, 40822), (10864, 20411)]