28115773

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{1237}}^1$

素因数の和:1452

約数の個数: 16

約数和(自身を含む): 34228224

約数和(自身を除く): 6112451

約数列:

[1, 7, 17, 119, 191, 1237, 1337, 3247, 8659, 21029, 22729, 147203, 236267, 1653869, 4016539, 28115773]

約数ペア:

[(1, 28115773), (7, 4016539), (17, 1653869), (119, 236267), (191, 147203), (1237, 22729), (1337, 21029), (3247, 8659)]