158991376

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{162901}}^1$

素因数の和:162970

約数の個数: 20

約数和(自身を含む): 313097644

約数和(自身を除く): 154106268

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 162901, 325802, 651604, 1303208, 2606416, 9936961, 19873922, 39747844, 79495688, 158991376]

約数ペア:

[(1, 158991376), (2, 79495688), (4, 39747844), (8, 19873922), (16, 9936961), (61, 2606416), (122, 1303208), (244, 651604), (488, 325802), (976, 162901)]