1388322

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 3439800

約数和(自身を除く): 2051478

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 349, 442, 663, 698, 1047, 1326, 1989, 2094, 3141, 3978, 4537, 5933, 6282, 9074, 11866, 13611, 17799, 27222, 35598, 40833, 53397, 77129, 81666, 106794, 154258, 231387, 462774, 694161, 1388322]

約数ペア:

[(1, 1388322), (2, 694161), (3, 462774), (6, 231387), (9, 154258), (13, 106794), (17, 81666), (18, 77129), (26, 53397), (34, 40833), (39, 35598), (51, 27222), (78, 17799), (102, 13611), (117, 11866), (153, 9074), (221, 6282), (234, 5933), (306, 4537), (349, 3978), (442, 3141), (663, 2094), (698, 1989), (1047, 1326)]