256430213

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 294884856

約数和(自身を除く): 38454643

約数列:

[1, 13, 19, 101, 247, 361, 541, 1313, 1919, 4693, 7033, 10279, 24947, 36461, 54641, 133627, 195301, 473993, 710333, 1038179, 2538913, 13496327, 19725401, 256430213]

約数ペア:

[(1, 256430213), (13, 19725401), (19, 13496327), (101, 2538913), (247, 1038179), (361, 710333), (541, 473993), (1313, 195301), (1919, 133627), (4693, 54641), (7033, 36461), (10279, 24947)]