206486319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 329011200

約数和(自身を除く): 122524881

約数列:

[1, 3, 13, 19, 31, 39, 57, 89, 93, 101, 247, 267, 303, 403, 589, 741, 1157, 1209, 1313, 1691, 1767, 1919, 2759, 3131, 3471, 3939, 5073, 5757, 7657, 8277, 8989, 9393, 21983, 22971, 24947, 26967, 35867, 40703, 52421, 59489, 65949, 74841, 107601, 116857, 122109, 157263, 170791, 178467, 278659, 350571, 512373, 681473, 773357, 835977, 2044419, 2220283, 2320071, 3622567, 5294521, 6660849, 10867701, 15883563, 68828773, 206486319]

約数ペア:

[(1, 206486319), (3, 68828773), (13, 15883563), (19, 10867701), (31, 6660849), (39, 5294521), (57, 3622567), (89, 2320071), (93, 2220283), (101, 2044419), (247, 835977), (267, 773357), (303, 681473), (403, 512373), (589, 350571), (741, 278659), (1157, 178467), (1209, 170791), (1313, 157263), (1691, 122109), (1767, 116857), (1919, 107601), (2759, 74841), (3131, 65949), (3471, 59489), (3939, 52421), (5073, 40703), (5757, 35867), (7657, 26967), (8277, 24947), (8989, 22971), (9393, 21983)]