13247748

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^2\times {\mathrm{73}}^1$

素因数の和:225

約数の個数: 54

約数和(自身を含む): 34430942

約数和(自身を除く): 21183194

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 73, 142, 146, 213, 219, 284, 292, 426, 438, 639, 657, 852, 876, 1278, 1314, 2556, 2628, 5041, 5183, 10082, 10366, 15123, 15549, 20164, 20732, 30246, 31098, 45369, 46647, 60492, 62196, 90738, 93294, 181476, 186588, 367993, 735986, 1103979, 1471972, 2207958, 3311937, 4415916, 6623874, 13247748]

約数ペア:

[(1, 13247748), (2, 6623874), (3, 4415916), (4, 3311937), (6, 2207958), (9, 1471972), (12, 1103979), (18, 735986), (36, 367993), (71, 186588), (73, 181476), (142, 93294), (146, 90738), (213, 62196), (219, 60492), (284, 46647), (292, 45369), (426, 31098), (438, 30246), (639, 20732), (657, 20164), (852, 15549), (876, 15123), (1278, 10366), (1314, 10082), (2556, 5183), (2628, 5041)]