30806828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31181}}^1$

素因数の和:31217

約数の個数: 24

約数和(自身を含む): 61116720

約数和(自身を除く): 30309892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 31181, 62362, 124724, 405353, 592439, 810706, 1184878, 1621412, 2369756, 7701707, 15403414, 30806828]

約数ペア:

[(1, 30806828), (2, 15403414), (4, 7701707), (13, 2369756), (19, 1621412), (26, 1184878), (38, 810706), (52, 592439), (76, 405353), (247, 124724), (494, 62362), (988, 31181)]