257440718

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{21601}}^1$

素因数の和:21763

約数の個数: 16

約数和(自身を含む): 396612720

約数和(自身を除く): 139172002

約数列:

[1, 2, 59, 101, 118, 202, 5959, 11918, 21601, 43202, 1274459, 2181701, 2548918, 4363402, 128720359, 257440718]

約数ペア:

[(1, 257440718), (2, 128720359), (59, 4363402), (101, 2548918), (118, 2181701), (202, 1274459), (5959, 43202), (11918, 21601)]