28163890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{653}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 53680320

約数和(自身を除く): 25516430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 227, 454, 653, 1135, 1306, 2270, 3265, 4313, 6530, 8626, 12407, 21565, 24814, 43130, 62035, 124070, 148231, 296462, 741155, 1482310, 2816389, 5632778, 14081945, 28163890]

約数ペア:

[(1, 28163890), (2, 14081945), (5, 5632778), (10, 2816389), (19, 1482310), (38, 741155), (95, 296462), (190, 148231), (227, 124070), (454, 62035), (653, 43130), (1135, 24814), (1306, 21565), (2270, 12407), (3265, 8626), (4313, 6530)]