28974128

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{20347}}^1$

素因数の和:20444

約数の個数: 20

約数和(自身を含む): 56770920

約数和(自身を除く): 27796792

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 20347, 40694, 81388, 162776, 325552, 1810883, 3621766, 7243532, 14487064, 28974128]

約数ペア:

[(1, 28974128), (2, 14487064), (4, 7243532), (8, 3621766), (16, 1810883), (89, 325552), (178, 162776), (356, 81388), (712, 40694), (1424, 20347)]