1640809978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{2281}}^1\times {\mathrm{21157}}^1$

素因数の和:23457

約数の個数: 16

約数和(自身を含む): 2607258024

約数和(自身を除く): 966448046

約数列:

[1, 2, 17, 34, 2281, 4562, 21157, 38777, 42314, 77554, 359669, 719338, 48259117, 96518234, 820404989, 1640809978]

約数ペア:

[(1, 1640809978), (2, 820404989), (17, 96518234), (34, 48259117), (2281, 719338), (4562, 359669), (21157, 77554), (38777, 42314)]