691648

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 28

約数和(自身を含む): 1399032

約数和(自身を除く): 707384

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 107, 202, 214, 404, 428, 808, 856, 1616, 1712, 3232, 3424, 6464, 6848, 10807, 21614, 43228, 86456, 172912, 345824, 691648]

約数ペア:

[(1, 691648), (2, 345824), (4, 172912), (8, 86456), (16, 43228), (32, 21614), (64, 10807), (101, 6848), (107, 6464), (202, 3424), (214, 3232), (404, 1712), (428, 1616), (808, 856)]