98779990

素因数分解:

$2^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{27983}}^1$

素因数の和:28343

約数の個数: 16

約数和(自身を含む): 178314048

約数和(自身を除く): 79534058

約数列:

[1, 2, 5, 10, 353, 706, 1765, 3530, 27983, 55966, 139915, 279830, 9877999, 19755998, 49389995, 98779990]

約数ペア:

[(1, 98779990), (2, 49389995), (5, 19755998), (10, 9877999), (353, 279830), (706, 139915), (1765, 55966), (3530, 27983)]