31871974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{769}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 53887680

約数和(自身を除く): 22015706

約数列:

[1, 2, 17, 23, 34, 46, 53, 106, 391, 769, 782, 901, 1219, 1538, 1802, 2438, 13073, 17687, 20723, 26146, 35374, 40757, 41446, 81514, 300679, 601358, 692869, 937411, 1385738, 1874822, 15935987, 31871974]

約数ペア:

[(1, 31871974), (2, 15935987), (17, 1874822), (23, 1385738), (34, 937411), (46, 692869), (53, 601358), (106, 300679), (391, 81514), (769, 41446), (782, 40757), (901, 35374), (1219, 26146), (1538, 20723), (1802, 17687), (2438, 13073)]