221707664

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{337969}}^1$

素因数の和:338018

約数の個数: 20

約数和(自身を含む): 440036940

約数和(自身を除く): 218329276

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 337969, 675938, 1351876, 2703752, 5407504, 13856729, 27713458, 55426916, 110853832, 221707664]

約数ペア:

[(1, 221707664), (2, 110853832), (4, 55426916), (8, 27713458), (16, 13856729), (41, 5407504), (82, 2703752), (164, 1351876), (328, 675938), (656, 337969)]