388640728

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{68713}}^1$

素因数の和:68827

約数の個数: 32

約数和(自身を含む): 841059360

約数和(自身を除く): 452418632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 5656, 68713, 137426, 274852, 480991, 549704, 961982, 1923964, 3847928, 6940013, 13880026, 27760052, 48580091, 55520104, 97160182, 194320364, 388640728]

約数ペア:

[(1, 388640728), (2, 194320364), (4, 97160182), (7, 55520104), (8, 48580091), (14, 27760052), (28, 13880026), (56, 6940013), (101, 3847928), (202, 1923964), (404, 961982), (707, 549704), (808, 480991), (1414, 274852), (2828, 137426), (5656, 68713)]