168996978

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{769}}^1$

素因数の和:1227

約数の個数: 48

約数和(自身を含む): 380179800

約数和(自身を除く): 211182822

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 421, 522, 769, 842, 1263, 1538, 2307, 2526, 3789, 4614, 6921, 7578, 12209, 13842, 22301, 24418, 36627, 44602, 66903, 73254, 109881, 133806, 200709, 219762, 323749, 401418, 647498, 971247, 1942494, 2913741, 5827482, 9388721, 18777442, 28166163, 56332326, 84498489, 168996978]

約数ペア:

[(1, 168996978), (2, 84498489), (3, 56332326), (6, 28166163), (9, 18777442), (18, 9388721), (29, 5827482), (58, 2913741), (87, 1942494), (174, 971247), (261, 647498), (421, 401418), (522, 323749), (769, 219762), (842, 200709), (1263, 133806), (1538, 109881), (2307, 73254), (2526, 66903), (3789, 44602), (4614, 36627), (6921, 24418), (7578, 22301), (12209, 13842)]