1640273464

素因数分解:

$2^3\times {\mathrm{51169}}^1\times {\mathrm{4007}}^1$

素因数の和:55182

約数の個数: 16

約数和(自身を含む): 3076340400

約数和(自身を除く): 1436066936

約数列:

[1, 2, 4, 8, 4007, 8014, 16028, 32056, 51169, 102338, 204676, 409352, 205034183, 410068366, 820136732, 1640273464]

約数ペア:

[(1, 1640273464), (2, 820136732), (4, 410068366), (8, 205034183), (4007, 409352), (8014, 204676), (16028, 102338), (32056, 51169)]