28438078

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{907}}^1$

素因数の和:1227

約数の個数: 16

約数和(自身を含む): 43573104

約数和(自身を除く): 15135026

約数列:

[1, 2, 61, 122, 257, 514, 907, 1814, 15677, 31354, 55327, 110654, 233099, 466198, 14219039, 28438078]

約数ペア:

[(1, 28438078), (2, 14219039), (61, 466198), (122, 233099), (257, 110654), (514, 55327), (907, 31354), (1814, 15677)]