209310272

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:787

約数の個数: 56

約数和(自身を含む): 427646592

約数和(自身を除く): 218336320

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 73, 142, 146, 284, 292, 568, 584, 631, 1136, 1168, 1262, 2272, 2336, 2524, 4544, 4672, 5048, 5183, 10096, 10366, 20192, 20732, 40384, 41464, 44801, 46063, 82928, 89602, 92126, 165856, 179204, 184252, 331712, 358408, 368504, 716816, 737008, 1433632, 1474016, 2867264, 2948032, 3270473, 6540946, 13081892, 26163784, 52327568, 104655136, 209310272]

約数ペア:

[(1, 209310272), (2, 104655136), (4, 52327568), (8, 26163784), (16, 13081892), (32, 6540946), (64, 3270473), (71, 2948032), (73, 2867264), (142, 1474016), (146, 1433632), (284, 737008), (292, 716816), (568, 368504), (584, 358408), (631, 331712), (1136, 184252), (1168, 179204), (1262, 165856), (2272, 92126), (2336, 89602), (2524, 82928), (4544, 46063), (4672, 44801), (5048, 41464), (5183, 40384), (10096, 20732), (10366, 20192)]