66205310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 134784000

約数和(自身を除く): 68578690

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 103, 170, 190, 199, 206, 323, 398, 515, 646, 995, 1030, 1615, 1751, 1957, 1990, 3230, 3383, 3502, 3781, 3914, 6766, 7562, 8755, 9785, 16915, 17510, 18905, 19570, 20497, 33269, 33830, 37810, 40994, 64277, 66538, 102485, 128554, 166345, 204970, 321385, 332690, 348449, 389443, 642770, 696898, 778886, 1742245, 1947215, 3484490, 3894430, 6620531, 13241062, 33102655, 66205310]

約数ペア:

[(1, 66205310), (2, 33102655), (5, 13241062), (10, 6620531), (17, 3894430), (19, 3484490), (34, 1947215), (38, 1742245), (85, 778886), (95, 696898), (103, 642770), (170, 389443), (190, 348449), (199, 332690), (206, 321385), (323, 204970), (398, 166345), (515, 128554), (646, 102485), (995, 66538), (1030, 64277), (1615, 40994), (1751, 37810), (1957, 33830), (1990, 33269), (3230, 20497), (3383, 19570), (3502, 18905), (3781, 17510), (3914, 16915), (6766, 9785), (7562, 8755)]