640653536

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{488303}}^1$

素因数の和:488354

約数の個数: 24

約数和(自身を含む): 1292052384

約数和(自身を除く): 651398848

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 488303, 976606, 1953212, 3906424, 7812848, 15625696, 20020423, 40040846, 80081692, 160163384, 320326768, 640653536]

約数ペア:

[(1, 640653536), (2, 320326768), (4, 160163384), (8, 80081692), (16, 40040846), (32, 20020423), (41, 15625696), (82, 7812848), (164, 3906424), (328, 1953212), (656, 976606), (1312, 488303)]