1218475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 1660608

約数和(自身を除く): 442133

約数列:

[1, 5, 17, 25, 47, 61, 85, 235, 305, 425, 799, 1037, 1175, 1525, 2867, 3995, 5185, 14335, 19975, 25925, 48739, 71675, 243695, 1218475]

約数ペア:

[(1, 1218475), (5, 243695), (17, 71675), (25, 48739), (47, 25925), (61, 19975), (85, 14335), (235, 5185), (305, 3995), (425, 2867), (799, 1525), (1037, 1175)]