28998991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1237}}^1$

素因数の和:1458

約数の個数: 16

約数和(自身を含む): 35297856

約数和(自身を除く): 6298865

約数列:

[1, 7, 17, 119, 197, 1237, 1379, 3349, 8659, 21029, 23443, 147203, 243689, 1705823, 4142713, 28998991]

約数ペア:

[(1, 28998991), (7, 4142713), (17, 1705823), (119, 243689), (197, 147203), (1237, 23443), (1379, 21029), (3349, 8659)]