28081712

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 57290976

約数和(自身を除く): 29209264

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 137, 184, 274, 368, 548, 557, 1096, 1114, 2192, 2228, 3151, 4456, 6302, 8912, 12604, 12811, 25208, 25622, 50416, 51244, 76309, 102488, 152618, 204976, 305236, 610472, 1220944, 1755107, 3510214, 7020428, 14040856, 28081712]

約数ペア:

[(1, 28081712), (2, 14040856), (4, 7020428), (8, 3510214), (16, 1755107), (23, 1220944), (46, 610472), (92, 305236), (137, 204976), (184, 152618), (274, 102488), (368, 76309), (548, 51244), (557, 50416), (1096, 25622), (1114, 25208), (2192, 12811), (2228, 12604), (3151, 8912), (4456, 6302)]