71763818

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 135032832

約数和(自身を除く): 63269014

約数列:

[1, 2, 7, 14, 23, 43, 46, 71, 73, 86, 142, 146, 161, 301, 322, 497, 511, 602, 989, 994, 1022, 1633, 1679, 1978, 3053, 3139, 3266, 3358, 5183, 6106, 6278, 6923, 10366, 11431, 11753, 13846, 21371, 21973, 22862, 23506, 36281, 42742, 43946, 70219, 72197, 72562, 119209, 140438, 144394, 222869, 238418, 445738, 491533, 505379, 834463, 983066, 1010758, 1560083, 1668926, 3120166, 5125987, 10251974, 35881909, 71763818]

約数ペア:

[(1, 71763818), (2, 35881909), (7, 10251974), (14, 5125987), (23, 3120166), (43, 1668926), (46, 1560083), (71, 1010758), (73, 983066), (86, 834463), (142, 505379), (146, 491533), (161, 445738), (301, 238418), (322, 222869), (497, 144394), (511, 140438), (602, 119209), (989, 72562), (994, 72197), (1022, 70219), (1633, 43946), (1679, 42742), (1978, 36281), (3053, 23506), (3139, 22862), (3266, 21973), (3358, 21371), (5183, 13846), (6106, 11753), (6278, 11431), (6923, 10366)]