258225409

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 296987040

約数和(自身を除く): 38761631

約数列:

[1, 13, 19, 137, 169, 247, 587, 1781, 2603, 3211, 7631, 11153, 23153, 33839, 80419, 99203, 144989, 439907, 1045447, 1527961, 1884857, 13590811, 19863493, 258225409]

約数ペア:

[(1, 258225409), (13, 19863493), (19, 13590811), (137, 1884857), (169, 1527961), (247, 1045447), (587, 439907), (1781, 144989), (2603, 99203), (3211, 80419), (7631, 33839), (11153, 23153)]