389870954

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 674964360

約数和(自身を除く): 285093406

約数列:

[1, 2, 11, 22, 29, 58, 73, 121, 146, 242, 319, 638, 761, 803, 1522, 1606, 2117, 3509, 4234, 7018, 8371, 8833, 16742, 17666, 22069, 23287, 44138, 46574, 55553, 92081, 111106, 184162, 242759, 256157, 485518, 512314, 611083, 1222166, 1611037, 2670349, 3222074, 5340698, 6721913, 13443826, 17721407, 35442814, 194935477, 389870954]

約数ペア:

[(1, 389870954), (2, 194935477), (11, 35442814), (22, 17721407), (29, 13443826), (58, 6721913), (73, 5340698), (121, 3222074), (146, 2670349), (242, 1611037), (319, 1222166), (638, 611083), (761, 512314), (803, 485518), (1522, 256157), (1606, 242759), (2117, 184162), (3509, 111106), (4234, 92081), (7018, 55553), (8371, 46574), (8833, 44138), (16742, 23287), (17666, 22069)]