213426406

素因数分解:

$2^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1\times {\mathrm{691}}^1$

素因数の和:1479

約数の個数: 16

約数和(自身を含む): 322236720

約数和(自身を除く): 108810314

約数列:

[1, 2, 389, 397, 691, 778, 794, 1382, 154433, 268799, 274327, 308866, 537598, 548654, 106713203, 213426406]

約数ペア:

[(1, 213426406), (2, 106713203), (389, 548654), (397, 537598), (691, 308866), (778, 274327), (794, 268799), (1382, 154433)]